和自然语言相似，编程语言是我们同机器进行交流、说明自身意图的方式。

Like natural languages, programming languages are the means by which we communicate with machines to specify our intent.

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它应作为一个编程语言可用，对于人类间的交流，它想能解释复杂结构。

It should be usable as an programming language and, for communication between humans, and it wants to be able to explain complex structures.

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