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Chapter 843 - 47: Reservoir
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... eservoirs are cities and villages.
Take for instance cities continuously absorbing young and middle-aged labor from villages, thereby obtaining a steady stream of population for low-end industries, driving continuous urban development and prosperity, because in general, the natural growth rate of a city's own population is low, and once development reaches a certain stage, there is a high probability of negative growth without introducing external population.
Aging population and ...
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