diff --git a/plone/app/discussion/locales/zh_CN/LC_MESSAGES/plone.app.discussion.po b/plone/app/discussion/locales/zh_CN/LC_MESSAGES/plone.app.discussion.po
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+# Translations for plone.app.discussion
+# Jian Aijun <jianaijun@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: plone.app.discussion\n"
+"POT-Creation-Date: 2011-04-22 17:12+0000\n"
+"PO-Revision-Date: 2011-05-14 09:22+0800\n"
+"Last-Translator: Jian Aijun <jianaijun@gmail.com>\n"
+"Language-Team: plone <plone-i18n@lists.sourceforge.net>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=1; plural=0\n"
+"Language-Code: zh_CN\n"
+"Language-Name: Chinese (Simplified)\n"
+"Preferred-Encodings: utf-8\n"
+
+#: ../comment.py:264
+msgid "A comment has been posted."
+msgstr "一个评论已发布。"
+
+#: ../interfaces.py:257
+msgid "A comment id unique to this conversation"
+msgstr "此对话的评论 ID"
+
+#: ../browser/comments.py:67
+msgid "Add a comment"
+msgstr "添加​​评论"
+
+#: ../browser/controlpanel.py:62
+msgid "Anonymous Comments"
+msgstr "匿名评论"
+
+#: ../interfaces.py:282
+msgid "Author name (for display)"
+msgstr "作者的名称（显示）"
+
+#: ../browser/comments.py:248
+#: ../browser/controlpanel.py:80
+msgid "Cancel"
+msgstr "取消"
+
+#: ../browser/controlpanel.py:76
+msgid "Changes saved"
+msgstr "更改已保存"
+
+#: ../browser/moderation.py:133
+msgid "Comment approved."
+msgstr "评论已审核。"
+
+#: ../browser/moderation.py:94
+msgid "Comment deleted."
+msgstr "评论已删除。"
+
+#: ../browser/controlpanel.py:63
+#, fuzzy
+msgid "Commenter Image"
+msgstr "评论者肖像"
+
+msgid "Commenting infrastructure for Plone"
+msgstr "Plone 的评论功能"
+
+#: ../interfaces.py:252
+msgid "Conversation"
+msgstr "对话"
+
+#: ../interfaces.py:283
+msgid "Creation date"
+msgstr "创建日期"
+
+#: ../interfaces.py:162
+msgid "Date of the most recent comment"
+msgstr "最近的评论日期"
+
+#: ../vocabularies.py:44
+msgid "Disabled"
+msgstr "禁用"
+
+#: ../browser/controlpanel.py:32
+msgid "Discussion settings"
+msgstr "评论设置"
+
+#: ../browser/controlpanel.py:82
+msgid "Edit cancelled"
+msgstr "编辑已取消"
+
+#: ../interfaces.py:269
+msgid "Email"
+msgstr "Email"
+
+#: ../browser/controlpanel.py:61
+msgid "Enable Comments"
+msgstr "启用评论"
+
+#: ../interfaces.py:260
+msgid "Id of comment this comment is in reply to"
+msgstr "针对回复评论ID"
+
+#: ../interfaces.py:274
+msgid "MIME type"
+msgstr "MIME 类型"
+
+#: ../browser/controlpanel.py:65
+msgid "Moderator Email Notification"
+msgstr ""
+
+#: ../interfaces.py:284
+msgid "Modification date"
+msgstr ""
+
+#: ../interfaces.py:254
+msgid "Name"
+msgstr ""
+
+#: ../interfaces.py:278
+msgid "Notify me of new comments via email."
+msgstr ""
+
+#: ./plone.app.discussion/plone/app/discussion/configure.zcml
+msgid "Plone Discussions"
+msgstr ""
+
+#: ../interfaces.py:247
+msgid "Portal type"
+msgstr ""
+
+#: ../browser/controlpanel.py:69
+msgid "Save"
+msgstr ""
+
+#: ../interfaces.py:167
+msgid "The set of unique commentators (usernames)"
+msgstr ""
+
+#: ../interfaces.py:156
+msgid "Total number of comments on this item"
+msgstr ""
+
+#: ../browser/controlpanel.py:67
+msgid "User Email Notification"
+msgstr ""
+
+#: ../browser/comments.py:241
+msgid "Your comment awaits moderator approval."
+msgstr ""
+
+#. Default: "Comment"
+#: ../browser/comments.py:123
+msgid "add_comment_button"
+msgstr ""
+
+#. Default: "Delete"
+#: ../browser/moderation.pt:68
+msgid "bulkactions_delete"
+msgstr ""
+
+#. Default: "Approve"
+#: ../browser/moderation.pt:65
+msgid "bulkactions_publish"
+msgstr ""
+
+#. Default: "You can add a comment by filling out the form below. Plain text formatting. Web and email addresses are transformed into clickable links."
+#: ../browser/comments.py:52
+msgid "comment_description_intelligent_text"
+msgstr ""
+
+#. Default: "Comments are moderated."
+#: ../browser/comments.py:58
+msgid "comment_description_moderation_enabled"
+msgstr ""
+
+#. Default: "You can add a comment by filling out the form below. Plain text formatting."
+#: ../browser/comments.py:47
+msgid "comment_description_plain_text"
+msgstr ""
+
+#. Default: "${creator} on ${content}"
+#: ../comment.py:46
+msgid "comment_title"
+msgstr ""
+
+#. Default: "Action"
+#: ../browser/moderation.pt:85
+msgid "heading_action"
+msgstr ""
+
+#. Default: "Comment"
+#: ../browser/moderation.pt:84
+msgid "heading_comment"
+msgstr ""
+
+#. Default: "Commenter"
+#: ../browser/moderation.pt:81
+msgid "heading_commenter"
+msgstr ""
+
+#. Default: "Date"
+#: ../browser/moderation.pt:82
+msgid "heading_date"
+msgstr ""
+
+#. Default: "In Response To"
+#: ../browser/moderation.pt:83
+msgid "heading_in_reponse_to"
+msgstr ""
+
+#. Default: "Moderate comments"
+#: ../browser/moderation.pt:24
+msgid "heading_moderate_comments"
+msgstr ""
+
+#. Default: "If selected, anonymous users are able to post comments without loggin in. It is highly recommended to use a captcha solution to prevent spam if this setting is enabled."
+#: ../interfaces.py:38
+msgid "help_anonymous_comments"
+msgstr ""
+
+#. Default: "Use this setting to enable or disable Captcha validation for comments. Install plone.formwidget.captcha, plone.formwidget.recaptcha, collective.akismet, or collective.z3cform.norobots if there are no options available."
+#: ../interfaces.py:82
+msgid "help_captcha"
+msgstr ""
+
+#. Default: "Some discussion related settings are not located in the Discussion Control Panel.\nTo enable comments for a specific content type, go to the Types Control Panel of this type and choose \"Allow comments\".\nTo enable the moderation workflow for comments, go to the Types Control Panel, choose \"Comment\" and set workflow to \"Comment Review Workflow\"."
+#: ../browser/controlpanel.py:33
+msgid "help_discussion_settings_editform"
+msgstr ""
+
+#. Default: "If selected, users are able to post comments on the site. Though, you have to enable comments for specific content types, folders or content objects before users will be able to post comments."
+#: ../interfaces.py:26
+msgid "help_globally_enabled"
+msgstr ""
+
+#. Default: "If selected, comments will enter a 'Pending' state in which they are invisible to the public. A user with the 'Review comments' permission ('Reviewer' or 'Manager') can approve comments to make them visible to the public. If you want to enable a custom comment workflow, you have to go to the types control panel."
+#: ../interfaces.py:50
+msgid "help_moderation_enabled"
+msgstr ""
+
+#. Default: "Address to which moderator notifications will be sent."
+#: ../interfaces.py:118
+msgid "help_moderator_email"
+msgstr ""
+
+#. Default: "If selected, the moderator is notified if a comment needs attention. The moderator email address can be found in the 'Mail settings' control panel (Site 'From' address)"
+#: ../interfaces.py:107
+msgid "help_moderator_notification_enabled"
+msgstr ""
+
+#. Default: "If selected, an image of the user is shown next to the comment."
+#: ../interfaces.py:97
+msgid "help_show_commenter_image"
+msgstr ""
+
+#. Default: "Use this setting to choose if the comment text should be transformed in any way. You can choose between 'Plain text' and 'Intelligent text'. 'Intelligent text' converts plain text into HTML where line breaks and indentation is preserved, and web and email addresses are made into clickable links."
+#: ../interfaces.py:66
+msgid "help_text_transform"
+msgstr ""
+
+#. Default: "If selected, users can choose to be notified of new comments by email."
+#: ../interfaces.py:127
+msgid "help_user_notification_enabled"
+msgstr ""
+
+#. Default: "Anonymous"
+#: ../comment.py:156
+msgid "label_anonymous"
+msgstr ""
+
+#. Default: "Enable anonymous comments"
+#: ../interfaces.py:36
+msgid "label_anonymous_comments"
+msgstr ""
+
+#. Default: "Apply"
+#: ../browser/moderation.pt:71
+msgid "label_apply"
+msgstr ""
+
+#. Default: "Captcha"
+#: ../interfaces.py:80
+msgid "label_captcha"
+msgstr ""
+
+#. Default: "Comment"
+#: ../interfaces.py:275
+msgid "label_comment"
+msgstr ""
+
+#. Default: "Commenting has been disabled."
+#: ../browser/comments.pt:130
+msgid "label_commenting_disabled"
+msgstr ""
+
+#. Default: "Delete"
+#: ../browser/moderation.pt:130
+msgid "label_delete"
+msgstr ""
+
+#. Default: "Globally enable comments"
+#: ../interfaces.py:24
+msgid "label_globally_enabled"
+msgstr ""
+
+#. Default: "Enable comment moderation"
+#: ../interfaces.py:48
+msgid "label_moderation_enabled"
+msgstr ""
+
+#. Default: "Moderator Email Address"
+#: ../interfaces.py:117
+msgid "label_moderator_email"
+msgstr ""
+
+#. Default: "Enable moderator email notification"
+#: ../interfaces.py:105
+msgid "label_moderator_notification_enabled"
+msgstr ""
+
+#. Default: "Approve"
+#: ../browser/moderation.pt:121
+msgid "label_publish"
+msgstr ""
+
+#. Default: "says:"
+#: ../browser/comments.pt:74
+msgid "label_says"
+msgstr ""
+
+#. Default: "Show commenter image"
+#: ../interfaces.py:95
+msgid "label_show_commenter_image"
+msgstr ""
+
+#. Default: "show full comment text"
+#: ../browser/moderation.pt:114
+msgid "label_show_full_comment_text"
+msgstr ""
+
+#. Default: "Subject"
+#: ../interfaces.py:271
+msgid "label_subject"
+msgstr ""
+
+#. Default: "Comment text transform"
+#: ../interfaces.py:64
+msgid "label_text_transform"
+msgstr ""
+
+#. Default: "Enable user email notification"
+#: ../interfaces.py:125
+msgid "label_user_notification_enabled"
+msgstr ""
+
+#. Default: "A comment on '${title}' has been posted here: ${link}\n\n---\n${text}\n---\n"
+#: ../comment.py:50
+msgid "mail_notification_message"
+msgstr ""
+
+#. Default: "A comment on '${title}' has been posted here: ${link}\n\n---\n${text}\n---\n\nApprove comment:\n${link_approve}\n\nDelete comment:\n${link_delete}\n"
+#: ../comment.py:58
+msgid "mail_notification_message_moderator"
+msgstr ""
+
+#. Default: "enable the 'Comment Review Workflow' for the Comment content type"
+#: ../browser/moderation.pt:33
+msgid "message_enable_comment_workflow"
+msgstr ""
+
+#. Default: "Moderation workflow is disabled. You have to ${enable_comment_workflow} before you can moderate comments here."
+#: ../browser/moderation.pt:33
+msgid "message_moderation_disabled"
+msgstr ""
+
+#. Default: "No comments to moderate."
+#: ../browser/moderation.pt:43
+msgid "message_nothing_to_moderate"
+msgstr ""
+
+#. Default: "Bulk Actions"
+#: ../browser/moderation.pt:64
+msgid "title_bulkactions"
+msgstr ""
+