Sustainability must be at the core of every decision we make in the coal industry.

You cannot always control what goes on outside, but you can always control what goes on inside.

作为科学家，我们有责任以易于理解和接受的方式向公众传达我们的发现。

I'm the type of person that if you ask me a question and I don't know the answer, I'm gonna tell you that I don't know. But I bet you what, I know how to find the answer and I will find the answer.

小说是一面反映人性复杂性的镜子。