Arch的优势之一是虽然它是为分散操作所设计的，但也可以用于集中存储库范例。
An advantage to Arch is that while it was designed for decentralized operation, it can also be used in the centralized repository paradigm.
一些应用程序不能跨计算机分散，不管计算机有多快，这些操作都需要花费很多的时间。
Some applications cannot be spread across multiple computers, and some operations take a certain amount of time no matter how fast the computer is.
另一方面，一个大的虚拟服务器一般会比它所替代的分散的物理服务器花费更多的资金去购买和操作。
On the other hand, a large virtualized server typically costs more to acquire and operate than any of the discrete physical servers it replaces.
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