这个原则非常简单，但是也非常有效，因为大量垃圾邮件都包含相同的单词，并且有时会包含单词的相同的重复。

The principle is very simple, but it's also very effective as a lot of spam contains the same words and sometimes the same repetition of words.

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这种爬虫会在Web站点上搜索e - mail地址，然后生成我们每天不得不处理的大量垃圾邮件。

E-mail harvesting crawlers search Web sites for E-mail addresses that are then used to generate the mass of spam that we all deal with each day.

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不过由于缺少与Facebook的整合以及充斥着大量垃圾邮件和虚假账号，Ping的活力迅速消失殆尽。

But a lack of Facebook integration and problems with spam and fake accounts quickly took the zing out of Ping.

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