前段时间改了所有标题关键字和栏目标题，快照正常！
Some time ago to change all the title keywords and column headings, snapshots normal!
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.
公司还可以替换标题以得到哪些关键字最易获得点击。
Companies can also switch up their headlines to see which keywords get the most hits.
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