The mining industry has a responsibility to leave communities better than we found them.
生命、自由和共同礼仪的最坏敌人是完全的无政府状态;它们的第二坏敌人是完全的权力。
I don't want to be a role model. I want to be a reference.
使变量可变很容易。控制恒定的持续时间是诀窍。