过去数十年，我们花费了数千万美元。

We're spending tens of millions of dollars over the decades.

youdao

我们花费了一周的时间完成了这项工作。

It took us one week to finish the work.

youdao

这些价值就来自我们花费时间干了些什么。

This value arises from the things we spend our time doing.

youdao

And, sad to say, at least one of our tests produced an output that we were unhappy with.

很不幸的是，至少一个测试输出我们,是不满意的，它花费了太长时间。

麻省理工公开课 - 计算机科学及编程导论课程节选

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

Milton has expended, we know, a considerable amount of energy in establishing what he wants us, I am assuming, to believe is the divine authority behind the poem.

我们知道弥尔顿花费了，大量精力阐释他希望我们相信的东西，我设想，他要我们相信在这部诗篇的背后有无上神权的存在。

耶鲁公开课 - 弥尔顿课程节选