学习方式多种多样，如课堂、电子邮件、共同体、对话、网络搜寻、电子邮件列表、博客等，课堂或课程不再是主要的学习渠道。

Learning happens in many different ways. Courses, email, communities, conversations, web search, email lists, reading blogs, etc. Courses are not the primary conduit for learning.

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当进行搜寻时，搜索引擎使用索引， 索引是服务器上所有文件的列表。

When conducting a search, a search engine makes use of an index, which is a list of all the documents on the server.

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当你想要在文章列表 开始之前 显示搜寻结果计数标签或文章导览标签时使用。

Used when you want to show a search result count, or article navigation tags before the list of articles.

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