然后备份和还原就通过远程设备来处理。

Backups and restores are then handled through the remote device.

youdao

所有邮件都会被下载到本地，然后备份。

All mail is downloaded locally and can be backed up.

youdao

但如果自最后备份以后将只读更改为读写，或反之亦然，那您就必须恢复文件，并在其上进行媒介恢复。

However, if you change from read-only to read-write vice-versa since last backup, you have to restore the file and do a media recovery on it.

youdao