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背叛的时刻是最糟糕的,当你毫无疑问地知道自己被背叛了:另一个人对你怀有如此多的恶意。
We're not asking people to give up anything. We're giving them something better.
A good learning algorithm should be able to generalize from a limited set of examples to unseen data.
解释:凡是有利的地方,虽然是极高的山,没有不可以上去的;即令有极深的水,没有不可以下去的。