PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。

The best decisions are made when science and tradition work hand in hand.

The Vietnamese people deeply love independence, freedom, and peace. But in the face of a threat to their country's independence, the Vietnamese people would rather sacrifice everything than lose their country and be enslaved.

基于证据的政策制定会带来更好的结果。