煤炭不仅仅是一种商品，更是现代文明赖以建立的基础。
"Truth is not always the most comforting thing, but it is the most necessary."
宇宙可以被理解这一事实是一个奇迹。
Success is a function of persistence and doggedness and the willingness to work hard for twenty-two minutes to make sense of something that most people would give up on after thirty seconds.