If one chord holds twice as long or only half as long, then we have an irregular harmonic change--irregular rate of harmonic change.

如果某一个和弦持续的时间是其他和弦的两倍或者只有一半，这就是不规则的和声改变。

耶鲁公开课 - 聆听音乐课程节选

A good, hygienic way of doing this is, not only do I not go in and change things except through a pre-defined method, I shouldn't read it other Cartesian than through a pre-defined method.

做这个的方式是，我不仅仅要通过提前定义好的方法,来改变数值,我还应该通过提前定义好的方法，来读这个值,我应该用。

麻省理工公开课 - 计算机科学及编程导论课程节选

And so, in fact, the version that I commented out which is also in your handout and I'm now going to uncomment, let's get that one out, get rid of this one-- notice the only change.

所以事实上，我之前注释掉的版本,你们的讲义上也有，我打算把注释去掉,我们把他拿出来，把这个丢到一旁，注意下唯一的改变。

麻省理工公开课 - 计算机科学及编程导论课程节选