As we expected, it's less than one, and of course if we build an engine, we want it to be as high as possible, as close to one as possible.
就像预先期待的一样,效率小于一,当然如果我们建造一台热机,我们希望效率越高越好,尽可能接近一。
So it's harder and... But I mean, exams themselves are not much harder than what I expected them to be.
所以这难一点……但是考试本身没有比我想象的难多少。
2% You could say, I think my portfolio has an expected return of 12%-- that would be better than if it had an expected return of 10%.
如果一个投资组合的预期收益率有-,那就比一个只有10%的投资组合要好。
I've gone on longer than I expected.
我说的比预期中的要久一些。
In fact, I don't quite know what he is saying" and struggled more than you're expected to because you anticipated what I've just been saying about the setting and about the role of Foucault and all the rest of it, and were possibly more confused than you might have expected to be.
事实上,我也不太清楚他在说什么“,然后你发现这比预想的更难理解,因为你预想了我给你们设置的背景,以及福柯和其他人的角色,然后可能会发现比自己预想的更困惑。
As much as we know about tobacco in the United States and the fact that there are only half the number of people smoking than used to be the case, it's still expected to rise by 45% worldwide By 2030 the deaths attributed to smoking will increase from four to ten million.
就我所知美国的烟民情况,在美国吸烟的人数,只有过去的一半,在世界范围内仍有预计45%的增长,到2030年,死于吸烟的人数,将由四百万增长至一亿
I'm going to drop more than the independence assumption, I'm going to assume that the assets don't have the same expected return and they don't have the same expected variance.
我还想做出一些改动,即这些资产的预期收益率,是各不相同的,方差也是不同的。
You should see that the blue line is better than the pink line because, for any expected return, the blue line is to the left of the pink line, right?
可以看到蓝线比粉线好,原因是对于任意的预期收益率,蓝线都在粉线的左边,对吧?
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