So a serious thing, a lot of people get put off by notation, it looks scarier than it is, there's nothing going on here except for notation at this point.

很多人面对符号往往都望而却步,看起来它比这个更可怕,而在这里,其实仅仅是符号而已

耶鲁公开课 - 博弈论课程节选

First, let me point you to this notation about Mrs. Richard F. Schiller.

首先，让我告诉你们这些关于Richard夫人的符号的意思。

耶鲁公开课 - 1945年后的美国小说课程节选

I then assign thankful true, if so, but notice this little trick: -- I'm going to keep doing this while I am bang thankful -- bang exclamation point means "not," so this is shorthand, sort of clever elegant notation for "while I'm not thankful, keep doing this."

然后我给thankful赋true值，如果是这样，注意这里有个小技巧：,我将一直这样做，当我用满意时-,感叹号在这里的意思是“非“，这是一个可速记的，有几分机灵优雅的符号,用来说明：“当我不满意，保持这样做“

哈佛公开课 - 计算机科学课程节选