Sustainable development is not an option, but a necessity for the coal sector.

Ah, my Beloved, fill the Cup that clears TO-DAY of past Regrets and future Fears: To-morrow!—Why, To-morrow I may be Myself with Yesterday's Sev'n thousand Years.

煤炭的未来取决于经济增长与环境保护之间的平衡。