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好的市场设计能让个人激励与社会效率保持一致。
You cannot make yourself feel something you do not feel, but you can make yourself do right in spite of your feelings.
幸福的关键因素并非是物质的或审美的,而永远是心理上的。《旅行的艺术》
One cannot think well, love well, sleep well, if one has not dined well.