我的几何和代数只是勉强及格。可是，她这两门课在班里都是第一。
I barely passed algebra and geometry, but here she's head of her class in both.
这位几何学家在做完一个关于自己研究的演讲后对他说：“你知道吗，我总是觉得代数很恐怖”。
He said: 'You know, I have always been dreadful at arithmetic.'
好的，现在我要画一张图代表什么是…这是代数，什么是几何，这张图代表了什么？
Ok, now I wanna draw a picture that represents what's this, this is algebra, what the geometry, what's the picture that goes with it?
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