We can make some substitutions here using some of the derivation on the previous board which will give us the Planck constant divided by 2 pi mass of the electron times the Bohr radius.

在这里我们也可以,用我以前在黑板上写过的一些词来取代它,得到的是普朗克常数除以2π电子质量,再乘以波尔半径。

麻省理工公开课 - 固态化学导论课程节选

And so you have to go back to the drawing board and realize Bubble Sort or whatever it is you're using just isn't enough to snuff, I need to come up with something more clever.

因此，你必须重新开始,而且会意识到冒泡排序,或你正在使用的方法并不理想，我需要提出一种更好的方法。

哈佛公开课 - 计算机科学课程节选