But racial separation laws in America made travel difficult for her.

VOA: special.2010.02.28

He is not his equal by nature and cannot be made so by human laws or human institutions.

他们天生就不平等,更不能通过世俗的法律与制度获取平等

耶鲁公开课 - 美国内战与重建课程节选

how laws are made and that sort of thing.

就是关于如何制定法律等方面的知识。

哈佛法学院的课程 - SpeakingMax英语口语达人

The Supreme Court ruling made the laws unenforceable.

VOA: special.2010.09.03

They are made of organic matter:the same rules, the same laws of chemistry that apply to what makes this laser glow green apply to what makes these photodetectors work.

而是由有机物制作的，同样的规律，它与应用于让激光的光芒变绿,以及使这些光电探测器工作,的化学是一样的规律。

麻省理工公开课 - 固态化学导论课程节选

"Wherever serious and credible allegations are made of grave and persistent violations of international humanitarian laws, these should be properly investigated,".

VOA: standard.2009.05.19