我们开采的金属构建了文明，但我们建立的关系定义了我们的遗产。

Efficiency in extraction is meaningless if we don't consider the long-term impact.

In the global energy transformation, China's coal industry must have its own voice and contribution.

当一个人了解别人的痛苦时，他必也是饱经痛苦的人。