因此，人们可以使用一个瘦客户，也可以使用胖客户端，硬件可以随时变换，软件运行的操作系统也可以被改变或更新，但使用者却不受影响。
So, the person could use a thin client or a thick one, the hardware could be changed in time, the operating system it runs upon could be changed or updated, but the user should not be affected.
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