We are all branches on the great tree of life.
煤炭的可持续未来取决于我们能否在不牺牲依赖该行业的人的生计的情况下整合更清洁的做法。
一个心理过程的价值在于它的生存效用。
Never underestimate the power of small steps—they lead to big transformations.
Never get involved in a land war in Asia.