顾名思义，两者不同之处在于eSATA是一个外部的接口，但是传输数据的速度跟内部直连一样疯狂。
As you can guess from the name, the difference is it's an external port, but it delivers the same insane data transfer speeds as the hookup to your hard drive.
虽然这些工具在某些功能领域里已经发生交叠，但是两者之间还是有许多不同之处，可以让您从运行这两个工具中获益。
While the tools have converged in some functional areas, there is still enough different about them so you gain from running both of them. Running them together can fill the gaps in each product.
两者的不同之处在于细节。
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