Crucially, at each level down in the cascade the virtual homunculi become a bit less clever, to a point where all it needs to do is, say, pick the larger of two numbers.

一过程的关键在于，在个串联在一起的每一个较低层次的子系统，那个虚拟侏儒会渐渐地变不再那么聪明，直至到达样一个点为止。在个点上，需要那个侏儒来做的全部事情就是在两个选出较大的那一个。

Well, Nissan has finally got its act together in the U.S., and I think part of the problem was also that their version of the hybrid, it's called e-Power, it's a series hybrid.

好吧， 日产终于在美国整顿好了局面，我认为问题的一部分也在于他们版本的混动系统，叫做e-Power， 是一种串联式混动。