這也是一個問題，條件好的生得少。將來人口的素質會如何？

來源: trweg 於 2012-05-09 00:31:24 [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.