The signal of human influence on climate has emerged from the noise of natural variability.
人类对气候影响的信号已经从自然变化的噪音中显现出来。
21世纪最成功的国家将是那些能够将市场效率与民主制度的公平性结合起来的国家。
怎么会有不用同道的人而只用与自己意见相同的人的道理呢?
The division of labor is limited by the extent of the market.
To understand chemistry at its most fundamental level, we must look at the dance of electrons in molecules.
I don't want to be a movie star. I want to be an actor.