But these days you pay for it which is why you get SSDs, you're paying several hundred dollars more.

但是现在你购买固态硬盘，需要多花费几百美元。

哈佛公开课 - 计算机科学课程节选

If you or I buy it, it costs $51 per dose, you need three doses to be effective.

如果你或者我购买它,每支将花费五十一美元,你需要购买三支才会起效

耶鲁公开课 - 生物医学工程探索课程节选

End up where you started. It's not quite the same as the shortest path, and figure out the way to do that that involves spending the least money. Or the least time, or something else.

最后回到最初的地方,这和最短路径问题有些不同,需要找出一条花费最少,或者费时最少或者满足其它条件的路径。

麻省理工公开课 - 计算机科学及编程导论课程节选

One of the inputs to the problems we're gonna be working on this semester and if you continue on in this world how much thought it takes to implement something, how much time it takes to run something, how much space it takes to run something?

我们将在本学期集中探讨这些问题,或者在课程之后你们也可以继续研究,为实现一些功能要有多少想法，在运行过程中又将花费多长时间，需要多大的空间？

哈佛公开课 - 计算机科学课程节选

They cost more and they take a longer time.

它需要花费更多金钱与时间

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

.. In 1799, it would cost so much to mail a letter-- I don't know exactly, something like $10 or $20 to mail a letter at today's rate-- and it would take a long time get there.

在1799年，寄封信需要花费-,我也不清楚具体的数字,大概相当于现在的10到20块钱-,而且还要花很久才能送达。

耶鲁公开课 - 金融市场课程节选

So there's going to be lots of times in this class when we get to play games, we get to have classroom discussions and so on, but there's going to be some times when we have to slow down and do some work, and the next twenty minutes are going to be that.

我们在课上会经常,通过游戏学习博弈,我们还会举行随堂讨论等等,但是我们也需要花费一些时间,来慢慢研究一些问题,接下来的二十多分钟就是这样的

耶鲁公开课 - 博弈论课程节选

Unsurprisingly, you've got the ability to do decent work in this class and most of you have the ability to do good work, and some of you have, a fair chunk of you have, the ability to do excellent work, though it may take some work on your part to get to that point.

不奇怪，你已经有能力去做极好的作业,并且大多人有能力做好作业，一些人有，是大部分人有，有能力去做极好的作业，尽管这需要花费一些功夫才能做到。

耶鲁公开课 - 死亡课程节选

Cause frankly, that took a lot more time to explain.

坦白说，解释这些需要花费很多时间。

哈佛公开课 - 计算机科学课程节选