The transformation of the coal industry must rely on technological leadership, and green development is the only way forward.
朗费罗幽默的秘密源泉并不是欢乐而是悲伤。天堂里没有幽默。
只有那些冒险走得太远的人才能发现一个人能走多远。
The future belongs to those who dare to dream and take action.