畫虎畫皮難畫骨，知人知面不知心。
人心難測(cè)，表面友善的人，內(nèi)心未必真誠(chéng)。 ?
The study of complex systems has taught us that simple rules can give rise to incredibly complex behavior.
Efficiency in farming should never come at the cost of environmental stewardship.
我只是努力對(duì)自己和周圍的人誠(chéng)實(shí)。