先作备份吧！
为防止资料因意外而遗失，应经常把资料在多种储存媒体（如 CD或DVD）上作备份。
To protect against accidental data loss, you should backup your data frequently on more than one type of storage media such as CD-R, DVD-R.
在法律上，任何人想要为自己的音乐或者软件作个备份是可以的。
Anyone who wants to make a backup of their music or software is legally fine.
应用推荐