在生产力水平底下的时候，人们不得不 pool resources to survive.

来源: LAChinese 于 2015-01-27 17:17:14 [] [旧帖] [给我悄悄话] 阅读数 : (230 bytes)
回答: 浅浅地说几句中国人的养老和养小 由 ahya 于 2015-01-27 17:02:13

So we had big family at old time. But everybody wants freedom, so when it's possible (at better economy), family becomes smaller and smaller. People don't have to force themself to live with people they don't want to live with.

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