Did you make a backup copy of the file?

你为档案做备份了 吗 ?

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You should make a backup copy of the file.

你应该给档案做一份备份.

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Make a backup copy of your database before splitting it.

请在拆分前对数据库做备份.

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Did you make a backup copy of that file?

为防止当前文件的丢失或损坏而另存储的一份.

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Did you make a backup copy?

你做了备份了 吗 ?

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If that's the case a backup copy should be mailed as a matter of courtesy.

如果是这种情况,出于礼貌,应该邮寄一份附件.

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If a virus destroys your files, at least you can replace them with your backup copy.

如果有病毒入侵毁坏你的文件, 你起码可以恢复文件内容.

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