发表主题必须针对该版块之规定，标题主题必须明确。
New topics must follow the requirements of various boards, titles for new topics must be stated clearly.
所以用户们可以根据标题、作者、主题，经常是关键字来搜索。
Users therefore can search by title, by author, by subject, and often by keyword.
对于只有一个标题的简单主题，迁移到主题非常简单。
For simple topics with only a single heading, the migration to a topic is very simple.
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