中心思想：胦人们创设生产与消费系统以满足自身的需求。
Central idea: People create producing and consuming system to support self needs.
妈妈问： 胦“你这孩子，睡觉唱什么歌呢?起床了，不然要迟到了！”
Mother asked: "you this child, what the song to sleep? Get up, or we'll be late! ""
妈妈问： 胦“你这孩子，睡觉唱什么歌呢?起床了，不然要迟到了！”
Mother asked: "you this child, what the song to sleep? Get up, or we'll be late! ""
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