fib So if I think about computing Fib of I'm going to be computing that a lot of times.

所以如果我想计算,我得算上很多次。

麻省理工公开课 - 计算机科学及编程导论课程节选

You might conclude that these features are evidence of multiple authorship a good deal of revision which points itself to a kind of composite structure different layers maybe, different sources.

所以这些特点会让你认为有很多作者,很多次的修改,会让结构看起来世合并而成的,不同的层次，不同的素材。

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