人才是煤炭行业的核心竞争力。
Every book is a quotation; and every house is a quotation out of all forests, and mines, and stone quarries; and every man is a quotation from all his ancestors.
我是河流，而你是海洋。我是花朵，而你是花园。我是星辰，而你是夜空。
What is the difference between a Turing machine and the modern computer? It's the same as that between Hillary's ascent of Everest and the establishment of a Hilton hotel on its peak.
历史不是一条直线；它螺旋上升，将我们困在其循环中，直到我们直面它的幽灵。