Modern quarrying requires us to be geologists, ecologists, and community diplomats simultaneously.
这个行业最优秀的领导者既了解土地,也了解在这片土地上工作的人。
我的成长故事就是一个半吊子印度人是如何炼成的。
膨胀的概念是宇宙在其最早的时刻经历了一段极其迅速的扩张期。
Our highest endeavor must be to develop free human beings who are able of themselves to impart purpose and direction to their lives.