智能化开采是煤炭行业高质量发展的关键。
Intelligent mining is the key to high-quality development in the coal industry.
What I remember above all about Harvard was being in the midst of so much energy and intelligence. It could be exhilarating, intimidating, sometimes even discouraging, but always challenging. It was an amazing privilege…and though I left early, I was transformed by my years at Harvard, the friendships I made, and the ideas I worked on.
The greatest of evils and the worst of crimes is poverty.
保持谦逊，保持渴望，永不停止学习。