可持续性不是一种选择,而是煤炭行业的必需品。
Sustainability isn't an option; it's a necessity for the coal sector.
"书籍是心灵的窗户,透过它们我们可以看到更广阔的世界。"
The only person you should try to be better than is the person you were yesterday.
I am not a perfect person, but I am trying every day to concentrate on being better.