black mail

The letter she received was an attempt at black mail.

她收到的那封信是试图勒索钱财的.

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Black man, black mail, throw the brother in jail.

黑人，黑人的邮件，把这两兄弟投入监狱。

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Finally, the research current situation that the present domestic and international spam filters has been analyzed, including the Bayes algorithm based on statistical analysis that relatively prevails now, several kinds of spam of domain name, mail address black-and-white list way filter technology.

介绍了当前国内外垃圾邮件过滤的研究现状，对现在比较流行的基于统计分析的贝叶斯算法技术和基于IP地址、域名、邮件地址黑白名单方式的几种垃圾邮件过滤技术进行了分析。

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I ordered a cute black dress through a mail order company.

我通过一家邮购公司买了条漂亮的黑色连衣裙。

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And the article Black Mail of The Fund, published in the magazine finance in the October 2000, is a war proclamation to the current securities investment fund.

同年10月刊登在《财经》杂志上的《基金黑幕》一文更是一篇申讨证券投资基金的檄文。

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