楼主的比喻话糙理不糙! 内循环是自给自足，但外循环能放大很多N倍的需求，从而赚很多的财富，或者去填超前消费的坑

来源: 6ba6 于 2022-06-27 07:52:40 [旧帖] [给我悄悄话] 本文已被阅读：次

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