环法赛的胜利始于头脑。

That's exhilarating if you're doing well, and very crushing if you're not. It leads, in the worst cases -- in the analysis of a sociologist like Emil Durkheim -- it leads to increased rates of suicide. There are more suicides in developed, individualistic countries than in any other part of the world. And some of the reason for that is that people take what happens to them extremely personally -- they own their success, but they also own their failure.

思想和背景的多样性推动突破性发现。

"The power of words is that they can create worlds that never existed."

Human activities have become a significant force shaping Earth's climate.