And the reason for the scale is -- that as we saw last week the idea of these algorithms-- I broke the scale already.

之所以要用到它,是因为上周我们讨论的这些算法思想-,我把天平弄坏了。

哈佛公开课 - 计算机科学课程节选

Last time we worked through this idea of the scale and how you can build triads on each of the members of the scale.

上节课我们已经讨论过音阶中的这个概念,以及你们怎样才能在音阶的各个音上组建起三和弦。

耶鲁公开课 - 聆听音乐课程节选