Did you make a backup copy of that file?

那份文件你有备份吧？

youdao

If you do choose to remove the JDKs, make a backup copy just in case for future use.

如果您选择删除该JDK，请做一下备份以防将来使用。

youdao

We shall be allowed to make a backup copy even without any express agreement to that effect.

即使不存在相应的明确约定，我们仍应有权为备份需要制作副本。

youdao

You cannot make a copy of a barrel of oil as a backup.

FORBES: Can You Use Big Data? The Litmus Test