Coal keeps America competitive in the world.
煤炭使美国在世界范围内保持竞争力。
"A journey is just as important as the destination, perhaps more so."
最重要的思想是那些让我们以新的、更高效的方式利用现有资源的想法。
我们成功的真正标准不仅仅是利润，还有我们留下的积极影响。