Anyone who keeps the ability to see beauty never grows old.
矿业企业要注重资源综合利用，提高资源利用效率。
市场是一个复杂的系统，我们试图用模型来简化它。
A miner’s helmet doesn’t just protect the head—it symbolizes the dignity of hard work.
People always say that you can't please everybody. I think that's a cop-out. I think if you work hard enough, you can please everybody.