..thefactthatwearenotsurewhat"intelligence"is,norwhatispassedondoesnotpreventusfromfindingitaveryusefulworkingconcept.我们不能肯定什么是智力,也不能够肯定它所表达的概念,但这并不妨碍我们认为它

Question

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the fact that we are not sure what "intelligence" is,nor what is passed on does not prevent us from finding it a very useful working concept.
我们不能肯定什么是智力,也不能够肯定它所表达的概念,但这并不妨碍我们认为它是一种非常有用的概念.
疑问:nor what is passed on ,为什么要解释成:也不能够肯定它所表达的概念?
另外,为什么不要it?即nor what is it passed on.

Answer 1

1）逐主句结构是the fact.does not prevent.from.2）the fact that 后面的部分是解释什么样的事实（fact）.the fact = 【we are not sure what "intelligence" is,nor what is passed on 】3） Nor的用法：在当两个...