【讲解】：古代读书人学习的目的，在于修养自己的学问道德（然后去为国家、人民服务），现在读书人学习的目的，在于给别人看（希望得到别人的赞美和任用）。

科学的发展离不开社会的进步。

Auctions are a microcosm of how markets function—information, competition, and incentives all interact.

"I'd never given much thought to how I would die, but dying in the place of someone I love seems like a good way to go."

The goal of computer architecture is to make the common case fast and the rare case correct.

如果你想走得快，独自前行；如果你想走得远，结伴同行。