Innovation in mining technology isn't optional—it's our responsibility to the next generation.
To understand is to know what causes what.
文化资本是阶级斗争中的一种武器。
生命是用来消耗的,不是用来储蓄的。
The greatest thing you'll ever learn is just to love and be loved in return.
The goal of the future is full unemployment, so we can play.