你必须遵守俱乐部的规定。

You'll have to abide by the rules of the club.

《牛津词典》

他们必须遵守特殊的规则。

They have to follow special rules.

youdao

学生必须遵守校规。

Students must follow the school rules.

youdao

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