The challenge in auction theory is to balance simplicity with strategic sophistication.

音乐行业是残酷的，但如果你足够优秀，你就会生存下来。

煤炭使美国在世界范围内保持竞争力。

A man must strive to do his best, and then accept the consequences with equanimity.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

人类生来就有一些反射和爱、愤怒等情绪反应。

质量不是职位；它是一种实践。