成本放在那裏，化肥農藥灌溉，巴西如果種多了，必定會虧死。美國是靠廉價的土地，政府的補貼，還有大規模的機械化降低成本。

來源: 咲媱於 2025-10-01 12:21:49 [博客] [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.