Innovation in coal mining isn't just about extraction—it's about doing it smarter, safer, and with less environmental impact.
煤炭开采的创新不仅仅是关于开采，而是更智能、更安全、对环境的影响更小。
I love to think of nature as an unlimited broadcasting station, through which God speaks to us every hour, if we will only tune in.
我不是淑女，我是Gaga。
过去总是紧张的，未来是完美的。
数学的研究是所有智力和精神进步不可或缺的基础。