A copy of all maintenance contracts are kept on file in the Engineering office.

这份档案包括所有关于新工程的文件。

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Facebook must also be more proactive in telling members how to avoid having their personal-information kept on file indefinitely.

Facebook也不得不积极主动的去告诉用户如何避免个人信息被无休止的利用下去。

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Written matter is generally kept on file and if you have failed to respond, the record will only show one (the manager's) point of view.

书面文件一般以档案形式保存，如果你忘记反馈自己的看法了，记录里只会显示一个人（经理）的个人观点。

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What's more, CNN is among the news outlets reporting that Gary Schultz, Penn State's former vice president for finance and business, kept a secret file on Sandusky that included e-mails among administrators about inappropriate behavior.

CNN: In Sandusky trial, a second act for McQueary?

We went single file and kept our eyes on the sea.

FORBES: Paradise Lost

At the Times, Diamond says he counted his stories that landed on the front page, and kept a file of compliments from his superiors.

FORBES: How to Negotiate a Year-End Raise