Make a backup copy of the login.css file.

保存login . css文件的备份副本。

Restore the database using the backup copy.

使用备份副本恢复数据库。

Did you make a backup copy of that file?

那份文件你有备份吧？

You should make a backup copy of the file.

你应该给档案做一份备份。

Make a backup copy of rsvpproperties.xml.sample.

复制rsvpproperties . xml . sample的一份副本。