What we really want to worry about is, as the size of the problem gets larger, how does this thing grow? How does the cost go up?

随着问题规模的变大，解决问题花费的代价是怎么增长的,因此我们将会主要地讲讲？

麻省理工公开课 - 计算机科学及编程导论课程节选

So, these are some of the controversies that arise these days from cost-benefit analysis, especially those that involve placing a dollar value on everything to be added up.

以上即为近来对成本效益分析,引发的一些争论，尤其是其中那些,认为可以用金钱衡量一切的观点。

耶鲁公开课 - 公正课程节选

Now, there's the other side of the stock going up and we have to think about how much that can cost us and whether our coupons are enough and whether the difference between the $.60 that we paid is apt to cover that.

现在，如果相反，股票价格上升,那么我们必须考虑这会花费我们多少,以及我们的票息,和我们付出的0。60美元的价格和,是否能够恰好冲抵它。

耶鲁公开课 - 金融市场课程节选

But actually there is a little bit of an energy cost into doubling up into a single orbital, because, of course, it takes energy when you create more electron repulsion, that's not something we want to do, but we have to do it here, and it turns out that that effect predominates over, again, the energy that we gain by increasing the atomic number by one.

但实际上，在一个轨道上放两个电子,确实会亏损一点能量，因为，当你加入更多电子，引起更大的排斥能,这显然会消耗能量，这不是我们想要做的，但是在这种情况下我们不得不做，结果这一影响，超过了增加一个,原子序数所得到的能量。

麻省理工公开课 - 化学原理课程节选