But just to be really clear, I've written out exactly which equations you do have to memorize on the front here, so long as you know those, the rest you can just look up.

但是让大家清楚，我已经,把大家需要记住的公式都写在前面了，只要你知道了这些，其它的就只需要查了。

麻省理工公开课 - 化学原理课程节选

Turns out with a Boolean expression, you don't have use the equality operator equals equals, you can just say what you mean.

结果用一个bool表达式，你不需要使用等号操作符“==“了，你只要说出你的意思。

哈佛公开课 - 计算机科学课程节选