There is a plurality of solutions that conform to the boundary conditions, which is that the system must be bound.

这有许多解决方式,来遵守这个有界条件，那个系统必须是有界的。

麻省理工公开课 - 固态化学导论课程节选

And the aeronautics engineer who wants to build an airplane has to obey, take into consideration, learn it, study and understand the law of gravity.

航空航天工程师,想制造飞机，必须遵守，加以考虑，学习，研究理解万有引力定律。

哈佛公开课 - 幸福课课程节选

No country had to follow these risks, but generally, countries have followed them because they want to be part of the international community and you want to use the standards that were recommended.

没有哪个国家必须遵守这些约定,但基本上,所有国家都会遵守,因为他们想成为国际社会的一份子,而且也希望能够使用里面推荐的准则

耶鲁公开课 - 金融市场课程节选

..That's just as good as the land that you took, so... That's true. Locke says there has to be this right to private property in the earth is subject to the provision that there be as much and as good left for others. What's your name?

而且是跟你占有的土地一样好的。,的确如此，洛克说过,土地私人所有必须遵守的是,还有足够多足够好的土地留给别人，你叫什么？

耶鲁公开课 - 公正课程节选

What captures this idea best-- the words of Francis Bacon, considered the father of the scientific movement, was a philosopher in 1600s: " "Nature to be commanded must be obeyed."

最准确阐述这种观点的-,是培根的话，他是17世纪时科学运动之父，是一名哲学家：,“号令自然，必须遵守自然“

哈佛公开课 - 幸福课课程节选

And "nature to be commanded must be obeyed".

号令自然，必须遵守自然。

哈佛公开课 - 幸福课课程节选

Nature to be commanded must be obeyed."

号令自然，必须遵守自然“

哈佛公开课 - 幸福课课程节选