可持续性必须成为我们在采矿行业所做每个决策的核心。

You pray for rain, you gotta deal with the mud too. That's a part of it.

那么，你认为我是什么样的人呢？

Freedom without justice is tyranny.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

去上学的是整个孩子，而不仅仅是他的智力。