If it suddenly goes up right after they're issued you kind of suspect that something is screwy here.

但如果在公司公布奖励之后股价就马上升高,这不禁让人怀疑其中有些猫腻

耶鲁公开课 - 金融市场课程节选

If I look at something that goes as n squared, if this is the edge of the nucleus here and if this is r1, 4 it says when n goes to two the radius goes to four.

如果在原子核外侧,我们发现某一半径和n的平方成正比，也就是说当n为2时半径等于。

麻省理工公开课 - 固态化学导论课程节选

So we have if, and that is followed by, I'm going to use angle braces here just to indicates something goes in here, some test followed by a colon.

那么我写了if，后面跟着，我这里会用一个角括号,来代表这里有些东西，冒号后面跟着一些测试。

麻省理工公开课 - 计算机科学及编程导论课程节选