A lack of access to Cuba,says GAO, has made it difficult to obtain nationally representative data on audience size, and decision-makers have had limited information to assess the relative success or return on investment for each transmission method.

VOA: standard.2009.06.18

When you call a function, what actually happens is that function gets its own chunk of memory that's identical in size to the data type that it expects.

当你调用一个函数，实际上发生的是,函数得到了自己的内存块，相同的类型,是占有一样大小的内存的。

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