矿业中的每个挑战都是重新定义未来的机会。
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
质量不是一个部门;它是组织中每个人的责任。
基于证据的政策制定会带来更好的结果。
We don't inherit the earth from our ancestors; we borrow it from our children.