So, hence, that external disk drive was useless from then on.

所以，从那以后，那个外置硬盘驱动器就没法用了。

If you have a computer, you should also have another external disk drive or some sort of online service that backs up your files.

如果你有一台电脑，你还应该有另一个外部磁盘驱动器或某种在线服务来备份你的文件。

And we're introducing a family of products with Macintosh: the image writer printer, an external disk drive, a modem, a numeric keypad, a Macintosh carrying case, and a security kit so your Macintosh won't go anywhere without you.

图像写入打印机，一个外部磁盘驱动器，一个调制解调器，一个数字键盘，一个Macintosh的手提箱，还有一个安全工具包，这样你的Macintosh就不会扔下你去别的地方了。