对那些喜欢浏览标题而不是通篇阅读每篇文章的人有用。

Good for people who like to scan headlines as opposed to reading every word in every article.

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高亮显示与原始提交词汇匹配的词语，以让用户更容易的浏览标题和描述。

Highlight the terms that match the words originally submitted to help people scan the titles and descriptions more easily.

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知道在哪里找答案。浏览标题和副标题，自制大纲。这可以帮你在心里强化课本结构。

Know where to find everything. Observe headings and sub-headings and make your own outline. This reinforces the structure of the text in your mind.

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