例句與造句

1. It will serve well for selective backup purposes as well as ordinary storage, while still accommodating all your old 3.5-inch floppies.
2. It will serve well for selective backup purposes as well as ordinary storage, while still accommodating all your old 3 . 5-inch floppies.
3. It's difficult to find selective backup in a sentence. 用selective backup造句挺難的