美國花很多錢去抵抗他國的物種，簡直就是浪費。中國的草魚都繁殖在五大湖了。中國螃蟹在灣區到處都是。

來源: 禦用文人於 2014-12-19 11:29:19 [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.