我们征服的不是山，而是我们自己。

Time is the only true enemy we have, and the only one we can never defeat.

Innovation in mining technology isn't about replacing people, but about empowering them to do their jobs better and safer.

任何圆的面积等于一个直角三角形，其中一条直角边等于半径，另一条等于圆的周长。