Because if b was odd, then b minus one is even which means on the next step, I can cut the problem in half again.

这意味着我在下一步里解决的问题,规模要小了一半，好，课堂材料的第三题。

麻省理工公开课 - 计算机科学及编程导论课程节选

But in one step, I've reduced this problem in half.

我就将这个问题的规模减半了，我不仅仅是缩小了问题的规模。

麻省理工公开课 - 计算机科学及编程导论课程节选

Well, a whole step here--there's one half, there's another half, would take us to F, whole step above F, would take us to G.

是一个全音级,这里是半个,这里是另外半个,这就到了F,F之后一个全音级,就到了G

耶鲁公开课 - 聆听音乐课程节选

And the last one in the major pattern is a half step from B to C.

大调模式的最后,是一个从B到C的半音级

耶鲁公开课 - 聆听音乐课程节选