The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.
做出伟大工作的唯一途径就是热爱你所做的事。
历史这个游戏的玩家一般都是社会的最上层和最下层,占大多数的中间层次只有在台下看戏的份。
Literature is the passport to enter a larger life.