The PAC learning framework provides a formal way to quantify the learnability of a concept class.
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。
Second place means you is the number one loser.
The actions of men are the best interpreters of their thoughts.
自然给了我们一些她的光芒,但不是全部的光芒。