Clearly this is not a useful way of defining marginalutility.
这显然不是定义边际效用的有益方式。
2
This, I think you've gotten from other economics courses — we have something called diminishing marginalutility.
我认为你们已经从其它的经济学课程中学过了，称为边际收益递减。
3
After coming upwith this egregious fallacy, Bernoulli topped it by blithely assuming thatevery individual's marginalutility of money moves in the very same constantproportion, b.