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想让小孩子在旅行中表现良好,可以准备一袋他们喜欢的糖果,当他/她不乖时,就向窗外扔掉一块糖。
"The only thing that separates us from the animals is our ability to accessorize."
In computational complexity, we are not just dealing with the limits of what we can compute, but also with the limits of what we can prove.