Every ton of coal we extract carries equal weight in responsibility.
我们开采的每一吨煤炭都承载着同等重量的责任。
The most successful companies are those that see change as an opportunity rather than a threat.
知道我们所知道的,知道我们所不知道的,这才是真正的知识。
你知道得越多,理解得越少。