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循环经济是20世纪90年代后出现的全球最新的经济发展模式,它是一种运用生态学规律来指导人类的经济活动,是建立在物质
Circular economy is the world’s newest economic development model that emerged since the 1990s. It is a kind of economic law that uses the laws of ecology to guide human beings and is based on the material