Safety and sustainability are the cornerstones of modern mining.
比起知识本身,我对能用知识做什么更感兴趣。
心灵是一个过程的动态互动。
软弱的人总是急切渴望妥协——决不是坚强的人。
Ihate people who talk about themselves, as you do, when one wants to talk about oneself, as I do.