都用市区人口比。休斯顿市区200万，加郊区几十个小城市，才达到600万。

来源: tzbcwbc 于 2013-05-30 10:22:14 [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.