The Gaia hypothesis is a way of looking at the Earth as if it were alive, not in the sentimental sense, but as a system.
盖亚假说是一种将地球视为有生命的系统的方式，不是情感上的，而是作为一个系统。
A good sentence should have a kind of tension in it.
The only way to keep improving is to stay hungry.
Leadership in the coal industry today means navigating the delicate balance between economic necessity and environmental responsibility.
