煤炭行业不仅仅是挖掘岩石；它是推动进步和维持社区的力量。

Whenever two programmers meet to criticize their programs, both are silent.

The future of energy lies in the balance between traditional and renewable sources.

【释义】兄弟姐妹之间如果缺乏信任，那么彼此的感情就不会亲密。