粮食大量靠进口也是个事儿，一但天灾或人祸如国家之间的冲突怎么办

来源: 谢谢你- 于 2015-10-07 22:06:09 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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