他们必须遵守特殊的规则。

They have to follow special rules.

youdao

好莱坞的规则很简单–金钱万能。

The formula in Hollywood is simple – money talks.

《柯林斯英汉双解大词典》

救助别的遇难船是海上的规则。

It is a rule of the sea to help another boat in distress.

《牛津词典》

This day is separated from all other days by additional rules and observances in keeping with its profound holiness.

这一天被附加的许多规则与其他日子完全区别开来,目的是保持它深厚的神圣性。

耶鲁公开课 - 旧约导论课程节选

It's a little... I think that concept is a little bit easier to grasp. It's like a definite rule, and

不过这个有点……我认为这个概念掌握起来稍微容易点。因为有明确的规则，而且是

韩国人经常犯的失误 - SpeakingMax英语口语达人

So, what will start with on Monday is doing the most simple example of methane using these Lewis structure rules.

因此，下周一上课,我们会先以最简单的例子--甲烷开始,使用这些路易斯结构的规则。

麻省理工公开课 - 化学原理课程节选