在大学学费计算器里输入数据，然后对着网络吐出来的六位数倒抽一口气——很少有其他在线活动比这种活动更能让人清醒了。

There are few more sobering online activities than entering data into college-tuition calculators and gasping as the Web spits back a six-figure sum.

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如果您的程序是数据的浏览器或者编辑器——比如文字处理器或者图像显示器——那么那些数据有可能来自攻击者，所以那是不可信的输入。

If your program is a viewer or editor of data—such as a word processor or an image displayer—that data might be from an attacker, so it's an untrusted input.

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表之间的关系提供了Teradata数据库优化器的输入值。

Relationships between tables provide valuable input to the Teradata database optimizer.

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