But often, you may not have any free drive bays in your case (this is particularly true of laptops, which typically only allow one internal hard drive).

但常见的情况是，机器中可能没有任何可用的驱动器托架(笔记本电脑更是如此，它通常仅允许一个内置硬盘驱动器)。

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But a hard drive is one of the most unreliable internal computer devices.

但是，硬盘驱动器是最不可靠的内部计算机设备之一。

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There might be some scenarios in which a problem with the computer itself, as opposed to a breakdown of its internal hard disk, could affect the external drive.

在一些情况下，比如电脑本身出问题而不是内置硬盘发生故障，外置硬盘就可能会受到影响。

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There might be some scenarios in which a problem with the computer itself, as opposed to a breakdown of its internal hard disk, could affect the external drive.

在一些情况下，比如电脑本身出问题而不是内置硬盘发生故障，外置硬盘就可能会受到影响。

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