The true cost of coal must account for both its immediate value and its long-term impact on communities and ecosystems.
一本书是一面镜子;如果一只猴子往里看,不会有哲学家往外看。
领导力意味着做出今天艰难但将使后代受益的决定。
It is absurd to divide people into good and bad. People are either charming or tedious.