倒退了10-20年？是農業產量還是農民收入？請說清楚倒退到哪一年？倒退到1960年？1980年？

來源: 欲千北於 2022-04-17 10:52:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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