Do you think that we have the stomach to stay there for as long as it takes to stablise the country, given how important it is We are going to stay there for as long as we do.

考虑到重要性,您认为我们能不能坚持到这个国家的稳定,我们会留在那里。

普林斯顿公开课 - 国际座谈会课程节选

It varies with the square of distance so it goes - in order to go twice as far it takes four times as long.

速度是与距离的平方正相关的--,如果要扩散两倍的距离要多花四倍的时间

耶鲁公开课 - 生物医学工程探索课程节选