The mining industry has a responsibility to leave communities better than we found them.

数学理论的真正价值在于它能够连接看似无关的想法。

The world is full of signs and wonders that come, and go, and if you are lucky you might catch the tail of one as it flies past.

用黄金打造的船不能在波涛汹涌的江面上航行，用玉雕琢的马不能驰骋在千里路途上。