The reason that we hear these as distinctly different, I think, happens rather early on in the scale.

我们觉得它们如此截然不同的原因,我看早在音阶中就出现了

耶鲁公开课 - 聆听音乐课程节选

And one of the things you often hear about in this discussion is about our oceans and about rainforests, and part of the reason why people want to protect those areas is because you find a lot of natural products in those regions.

其中你们会经常听到的一个,就是关于海洋和热带雨林的讨论,人们想保护这些地方的部分原因,就是因为在这些地方,人们可以发现一些天然产物。

麻省理工公开课 - 化学原理课程节选

Well,here's one other that you might not have thought of, and that is that most of the chords in rock music in particular tend to be root-position chords, and for that reason they're easier to hear.

还有另外一点也许大家还没有想到，那就是摇滚乐的主要和弦尤其倾向于变成根和弦，因此他们听起来也更加容易。

耶鲁公开课 - 聆听音乐课程节选