可持续发展不再是可选项,而是任何负责任的采矿业务的必要条件。
Sustainability isn't an option anymore—it's a necessity for any responsible mining operation.
I am always glad to think that my education was, for the most part, informal, and had its roots in the soil.
The world is a place of the living, and the dead have no place in it. The dead are nothing. They are not even a memory.
The times they are a-changin'.