He is richest who is content with the least，for content is the wealth of nature.
"To write is to remember, but to remember is also to forget."
Sustainability isn't a cost center, it's the bedrock of our industry's future.
每个角色都是一次新的冒险，一次进入未知的新旅程。
Every day is a new opportunity.
Strengthen international cooperation to promote the improvement of technology and management in the coal industry.