美國一家耕作幾千畝，大型機械化，科學種田國家扶持。中國的小農經濟根本無力與之競爭

來源: fzyoung 於 2014-02-08 12:44:05 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.