A sequence of chords that sound good together, kind of make sense together; we could say that sort of march along in a purposeful fashion.

放到一起好听的一组和弦，在一起有意义的和弦，我们也可以把它说成一组和弦有目的的行进。

耶鲁公开课 - 聆听音乐课程节选

And what struck me most about conversations that I had, either in Leverett or other houses, were students is their sense of mission,your sense of mission, your desire to do good, to make the world a better place.

在与学生的交谈中，让我印象最深的是，无论是在莱弗里特宿舍或其他地方，学生们的使命感，你们的使命感，你们对成功的渴望，让世界变得更美好的愿望。

哈佛公开课 - 幸福课课程节选