当信息不对称或激励不一致时，市场就会失灵。

I didn't know what the hell I was doing, but I knew if I didn't finish the film, I would never get another chance.

数学证明是用逻辑语言写成的诗。

The future of democracy depends on the ability of democratic societies to reform themselves and adapt to new challenges.

我再也不想喝到需要去戒酒的地步了。

预测未来的最佳方式就是创造未来。