For Milton then, at least at that point in his career, his literary career, such a trip without a guide may well have seemed unthinkable.

对于弥尔顿，至少这一点在他的文学职业生涯中,这一趟没有向导指引的旅途是无法想象的。

耶鲁公开课 - 弥尔顿课程节选

How do these performers play such long spans of music without any notation?

这些演奏者是怎样演奏这么长的音乐的呢,在完全没有记谱的情况下

耶鲁公开课 - 聆听音乐课程节选

Why does an act of consent make such a moral difference, that an act that would be wrong taking a life without consent, is morally permissible with consent?

为什么征得了同意，就能在道德上如此不同呢，没有征得同意就杀人，在道德上是不允许的，征得同意就是允许的吗？

耶鲁公开课 - 公正课程节选