But what I'm trying to get at is do you consider that you are under no obligation, since you haven't actually entered into any act of consent, but for prudential reasons, you do what you're supposed to do according to the law?

但我想知道的是，你认为自己,不负有任何义务，因为你并未真正作出任何形式的同意，只是出于谨慎考虑，你还是会依法缴税，是吗？

耶鲁公开课 - 公正课程节选

These are completely optional, not required for the course, so there's no obligation for you guys to get involved in these things, but I'll mention these things as we go along in case anybody would like to get involved in working with professors or graduate students.

这些都是自愿选择的,而不是课程要求,所以并不强制你们都参加,但随着课程的进行,我还会不断提及,便于任何感兴趣的同学,能够与教授或研究生一同参与研究

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Whereas most utterances purport to be saying something true about the actual state of things in the world, literary utterance is under no such obligation, the argument goes, and ought properly to be understood as fiction making it up as opposed to referring.

大多数言辞都是对事物的真实状况的,真实反映，而这种观点认为，文学没有这个义务，应该把文学理解为小说,它是虚构而不是实指。

耶鲁公开课 - 文学理论导论课程节选

Of two pleasures, if there be one to which all or almost all who have experience of both give a decided preference, irrespective of any feeling of moral obligation to prefer it -- in other words, no outside, no independent standard -- then, that is the more desirable pleasure."

这两种快乐中，如果所有或几乎所有,两种都体验过的人，都更偏好其中一种，而且并不是出于任何道德责任-,换句话说，没有外界的，独立的标准影响-,那么该快乐就是更令人满意的“

耶鲁公开课 - 公正课程节选

In any event, this is some interesting research opportunity, so again, no obligation, you don't have to do this, I won't even know if you are or not, but I just thought I would present these in the case you might find them interesting things to do.

不管怎样,这都是些不错的研究机会,不过不是强制的,我甚至都不知道你们参加与否,不过我还是会把这些放在这里,这样大家可能会找到一些有趣的事情去做

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选