when all is said and done

　　adv.畢竟，結(jié)果;說到底，畢竟，全面衡量

　　Yet when all is said and done, the world is at the start of a new agricultural revolution that could, for the first time ever, feed all mankind adequately.

　　然而這個世界畢竟是開始了一場新的'農(nóng)業(yè)革命，這場革命將有史以來第一次可以為全人類提供充足的食物。