根据隐私权信息中心的报告说，这些攻击是今年里几百起的在线安全侵入之一，危及2200万用户的数据信息。

These attacks are among the hundreds of online security breaches this year alone, compromising data of more than 22 million people, according to the Privacy Rights Clearinghouse.

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问题是，多数网络安全侵入——包括国家发动的侵入——利用的是已知的漏洞，比如针对漏洞的补丁尚未开发或应用。

The trouble is that most cyber security breaches — including those by nations — exploit known vulnerabilities, such as where a patch was either not developed or deployed.

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蒸发会使得温度下降几度，这将使得里面的那个罐子温度下降，有助于保持食品的安全，而不受有害细菌的侵入。

The evaporation process creates a drop in temperature of several degrees. This cools the inner pot and helps keep food safe from harmful bacteria.

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