可持续增长的关键是在经济进步和环境责任之间取得平衡。
行动是正确的,因为它们倾向于促进幸福;错误是因为它们倾向于产生与幸福相反的结果。
I never write Metropolis for seven cents because I can get the same price for city. I never write policeman because I can get the same money for cop.
It is now clear that the hybrids form seeds which have the one or the other of the two differentiating characters.