煤炭行业的未来在于清洁化、低碳化、智能化。
The future of the coal industry lies in cleanliness, low-carbon, and intelligence.
Freedom is not the choice, but the chance to choose.
释义：学习广博的知识，需要孜孜不倦地学习；学习能够坚持不懈，就有了坚定的志向。