One should not work on such problems, one should leave them to the philosophers.
人们不应该研究这样的问题，应该把它们留给哲学家。
煤炭的未来不仅仅是开采，而是我们如何负责任地将其融入不断变化的能源格局。
The spread of liberal democracy has been accompanied by the spread of a global culture that is increasingly homogeneous.
Efficiency in mining isn't just about cost-cutting; it's about maximizing value while minimizing waste.
A city’s architecture should reflect its soul.
对认可的渴望，灵魂中的激情部分，不能仅通过经济活动来满足。
