The real test of a good economist is whether he can explain the past better than others.
检验一个经济学家是否优秀的标准，是看他能否比别人更好地解释过去。
采购透明度不是一种趋势，而是消费者信任的基础。
In the depth of the valley is the road to salvation.
The future energy structure will be diversified, and the coal industry needs to find its own positioning.
永远不要低估合作的力量——当人们共同努力时，伟大的事物就会生长。