The night is dark, and I am far from home.
Safety and sustainability are the cornerstones of modern mining.
自主创新不是闭门造车,而是在开放合作中掌握核心技术。
The only limits you have are the limits you believe.
如果没有冬天的寒冷来赋予它甜蜜,夏天的温暖又有什么意义呢?