人口就不是“自然”資源了，從理論上說，自然資源有限，人口資源無限。

來源: 兒童於 2010-02-25 10:11:12 [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.