煤炭行业要深化供给侧结构性改革,提高供给质量。
Brave doesn't mean you're not scared. It means you go on even though you're scared.
从亚当和夏娃时代到农业发明之前,人类的生存一定是岌岌可危的,因为他无法确保自己的食物供应。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.