劳动经济学从根本上讲是理解人们的选择和约束。
When you think it's the most difficult, it's actually the closest you are to success.
2005年:贝索斯致股东信《尽管是数字在发挥作用,但决策因素还是“判断”》
The future belongs to those who are willing to adapt and evolve.
我经历过最寒冷的冬天是旧金山的夏天。