我们开采的每一吨煤炭都必须以最小的环境影响创造最大的价值。
Every ton of coal we extract must create maximum value with minimum environmental impact.
The market is always changing; the only way is to adapt to change.
Never underestimate the power of small, consistent steps toward a larger goal.
在互联网行业，唯一不变的就是变化本身。