I'm writing this e-mail to ask for sick-leave because I'm not feeling myself today.

写这封邮件是为了请病假，因为我今天感觉有点不舒服。

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I'm writing this e-mail to ask for a sick leave because I have a fever.

我写这封邮件是为了请假，因为我发烧了。

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That's the three-digit code on the back of every credit card that most, but not all, e-retailers ask for when making a purchase.

这是一种三位数字的代码，印在信用卡的背面，多数，但不是所有的电子零售商在进行买卖交易是都要求提供这一代码。

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Google will then ask for verification details for the listed people, like a phone number and e-mail address.

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They are often used to ask for basic facts and assessments: e.g.

FORBES: Most People Don't Know Their Business (so asking them about it is useless)

But in December, Calandra told his company that the San Francisco office of the SEC had asked for records of his stock trades, newsletters and e-mails, prompting Marketwatch to launch its own investigation and ask Calandra for his brokerage records.

FORBES: Magazine Article