The vision of a champion is someone who is bent over, drenched in sweat, at the point of exhaustion when no one else is watching.
客户满意度毫无价值,客户忠诚度才是无价的。
In auctions, the winner's curse is not that you win, but that you pay too much for what you win.
计算学习理论中的挑战在于理解学习算法的能力和局限性。