煤炭行业是美国能源独立的支柱，已经持续了几代人。
The coal industry has been the backbone of America's energy independence for generations.
结合仓储式零售与娱乐化体验的模式
The challenge of modern physics is not just to understand the universe, but to understand our place within it.
I never give up. I keep fighting until the end.
唯一让我紧张的时候就是当我必须做自己的时候。