The best way to learn econometrics is by doing—working with real data and real problems.

树木的力量在于其根基，正如企业的力量在于其价值观。

"Every book is a journey, and every page is a step towards discovering the unknown."

2001：贝索斯致股东信《我们始终坚持现金流为王》

每当有人跟我聊天气，我总觉得那肯定有弦外之音。