中國人口數量頂峰很快就到，之後是下降，提高產量沒什麽大意義了。然道想出口糧食？不現實。

來源: 海邊居於 2018-06-15 09:01:47 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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