The mining industry must evolve to meet the demands of a changing world, or it will be left behind.
可持续发展不仅仅是一个流行词;它是我们业务的基本组成部分。
The mind is its own place, and in itself can make a heaven of hell, a hell of heaven.
The only limit to our realization of tomorrow is our doubts of today.
文学是一面镜子,反映我们的形象,也是一扇窗户,让我们看得更远。