In this proof of concept, you need to copy or migrate a complete image of a virtual server from the primary data center to the disaster recovery data center.

在概念验证中，需要把虚拟服务器的一个完整映像从主数据中心复制或迁移到灾难恢复数据中心。

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Before you send your file to your commercial printer, print a copy of it on a color desktop printer as a color proof.

将文件发送给专业印刷机构之前，请在彩色桌面打印机上打印它的副本以作为颜色校样。

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Can you give me a copy proof (official notice) for case?

你能给我一份证明(官方通知的情况下)？

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It comes with a signed box and a copy of proof of purchase from Harry Winston, dated May 23, 1980.

FORBES: 30.52-ct. emerald-cut diamond sold for $3.3 million.

Not only do you have to find an excellent translator, one who works well in both languages and is a stylist to boot (or who can work in tandem with someone else, like the excellent Richard Pevear and Larissa Volokhonsky do in Russian), but the copy editing and proof reading take on a new layer of work.

FORBES: Swedish Crime Fiction and the Trouble With Translation

Keep a copy of your protest and proof of timely mailing.

FORBES: Everything You Ever Wanted To Know About Fighting The IRS But Were Afraid To Ask