破折号比连字符号长些。
过分依赖文字的搜索引擎降低了搜索可用性，他们不能应付那些打字稿(扫描稿)，错别字、以及复数的、加了连字符号的词，还有变异的单词。
Overly literal search engines reduce usability in that they 're unable to handle typos, plurals, hyphens, and other variants of the query terms.
过分依赖文字的搜索引擎降低了搜索可用性，他们不能应付那些打字稿(扫描稿)，错别字、以及复数的、加了连字符号的词，还有变异的单词。
Overly literal search engines reduce usability in that they're unable to handle typos, plurals, hyphens, and other variants of the query terms.
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