举例来说，如果一个程序想要使用Skynet (MapReduce的Ruby版本)，还想使用多虚拟机来并行运行任务，那么其必须进行适配以适合每种Ruby实现。

A program that, for instance, wants to use something like Skynet, a Ruby version of MapReduce, using multiple VMs to run tasks in parallel, will have to be adapted for every Ruby implementation.

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