代码中有些方面你以为平常不过，但是一旦你要实现系统中其他所有必需的部分时，复杂度又随之放大。
Aspects of the code that you think are trivial will magnify in complexity once you implement all the other required parts of the system.
调频广播：另一个非常不切实际的期望，但同样的，我们知道有些人希望新操作系统中有这个功能。
FM radio: Another one that was highly unlikely, but again, we know there are some who want it.
应用程序中有些部分可以作为一个pim来编写，其中大部分信息搜集工作都可以由元编程系统实现。
Some parts of an application can be written as a PIM in which most of the legwork is done by the metaprogramming system.
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