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![[想法]关于知识付费的一些想法](https://images.unsplash.com/photo-1668904049173-3d3cd59e13d6?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&ixid=M3wxMTc3M3wwfDF8c2VhcmNofDF8fEtub3dsZWRnZSUyMHBheW1lbnR8ZW58MHx8fHwxNzU2Njk3NDI1fDA&ixlib=rb-4.1.0&q=80&w=720)