Coal companies must fulfill their social responsibilities while pursuing economic benefits.
预测未来的最好方法就是创造未来。
In auctions, the winner's curse is not that you win, but that you pay too much for what you win.
人民有三种忧患:饥饿的得不到食物、寒冷的得不到衣物、劳苦的得不到休息。