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。

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.

youdao

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。

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.

youdao