您只能备份到内部硬盘，外部硬盘或磁带驱动器。

You can back up only to internal hard disks, external hard disks, or tape drives.

youdao

您只能备份到内部硬盘，外部硬盘或磁带驱动器。

You can back up only to internal hard disks, external hard disks, or tape drives.

youdao