文件就像定期保险：它令人满意，因为几乎没有人订阅它取决于它的利益。
Documentation is like term insurance: It satisfies because almost no one who subscribes to it depends on its benefits.
在统计工作中，正确的数学工具必须用于正确的问题，而且工具必须锋利。
过去从未死去，它甚至还未过去。
In the global energy transformation, China's coal industry must have its own voice and contribution.