Every ton of coal we extract must create maximum value with minimum environmental impact.
我们开采的每一吨煤炭都必须以最小的环境影响创造最大的价值。
保持饥饿,保持愚蠢。
The past is a foreign country; they do things differently there.
I've only slept with men I've been married to. How many women can make that claim?
可持续性不是一种选择,而是唯一的前进道路。
电影制作的挑战在于以独特的方式讲述一个普遍的故事。