The world needs reliable energy, and coal still plays a critical role in providing it.

释义：事物可能发生一次变化，而人则会经历无数次变化。如果想要不再变化，除非已故命终。

A book is a garden, an orchard, a storehouse, a party, a company by the way, a counselor, a multitude of counselors.

人迹罕至的路往往是带你回家的路。