We don't know whether this was because he didn't want to take the chance or because he believed in categorical moral principles.

不知道他是因为不愿意冒这个险呢,还是因为他信奉绝对主义道德原则。

耶鲁公开课 - 公正课程节选

Of course, she needs to know the basic principles, but she's also talking about it an enzyme, so she needs to know about enzyme catalysis.

她需要知道这表上的许多东西，当然她需要知道到这些基本原理，她研究的是一种酶。

麻省理工公开课 - 化学原理课程节选