让两球撞六球。
毕竟,他们可以有一个球撞产品,但如果没有人知道,他们不会让一角钱。
After all, they can have a kick-butt product but if nobody knows about it, they won't make a dime.
自然,想象你是自然,这个球撞过来,你必须立马反应,快速解出这两个方程。
Nature... just imagine you are nature, and this ball comes on, and in no time at all you have to solve these two equations very quickly.
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