农业是国家的根本;军队是国家的武器,城廓是守护自身的保障。这三者是国家应当具备的。
城市是一个共同的梦想。
在信息不对称的世界中,确保透明度和公平性的机制设计至关重要。
I don't regret anything because every step brought me here.
We've had three big ideas at Amazon that we've stuck with for 18 years, and they're the reason we're successful: Put the customer first. Invent. And be patient.
The more specific you are, the more universal you become.