经济周期的福利成本并非周期本身,而是个体无法随时间平滑消费的能力。
世界总是在运动中。
The past is a cupboard full of light and all you have to do is find the key that opens the door.
可持续捕捞不是一种选择,而是对后代的责任。
The writer's duty is to tell the truth, even when it is inconvenient.