I want to make one other point before we launch into that, and that is the following: that composers use the rate of harmonic change-- whether it's changing or not changing-- to sort of make us feel different ways about the music that we are listening to.

在此之前我还要说一个问题，不管和声有没有改变，作曲家都能通过和声改变的频率-,让我们对所听的音乐有不同的感受-,它能让我们感受到这段音乐。

耶鲁公开课 - 聆听音乐课程节选

But focusing on things that are sustainable and scalable so that when we launch more schools or go into the next market or whatever we do, we're going to set ourselves up to have the same success that we've had without hurting our self in the current position.

还要关注可持续发展的事物,以及规模容易扩大的事物,当我们向新的学校扩展时,或是进军新市场时，目标就是获得,跟以前一样的成功,并且不破坏现有的水平。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选