Because very often,with very good intentions, we may fall short of what we are capable of doing, or in some situations,even hurt more than help.

因为很多时候，即使有很好的意愿，我们的能力还是有限，或在某些情况下，我们带来的伤害多于帮助。

哈佛公开课 - 幸福课课程节选

He may have even attended a Quaker meeting, but we're not sure about that.

他甚至可能参加过贵格会议,但我们对此不能确定

耶鲁公开课 - 欧洲文明课程节选

So how can we say that " justice means helping friends and harming enemies," : Socrates asks, "when we may not even be sure " who our friends and our enemies really are?

所以我们如何能说,正义意指协助朋友并打击敌人“,苏格拉底提问，“尤其是当我们甚至无法确定,谁是真正的朋友及敌人？

耶鲁公开课 - 政治哲学导论课程节选

I--We were going D G B G B so as long as the notes have the same names or it sounds the same, even though there may be octave doubling in there we still think of that as monophonic texture.

我,我们只要,D G B G B,只要各个音的音名一样或听起来一样,尽管其中有双八度音,我们仍把它作为做单音织体

耶鲁公开课 - 聆听音乐课程节选