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经济学的核心概念之一是“天下没有免费的午餐”。具体某个人、某个群体或许会享受“天上掉下的馅饼”,但一定有其他人为之付出代价,最终体现为整个经济体的成本。
One of the core concepts in economics is “There is no free lunch in the world.” Someone or a group may enjoy the “pie falling from the sky,” but there are other people who must pay for it, ultimately reflecting the costs of the economy as a whole.