還有第三，人口增長，年齡低長期有需求。如果不封鎖邊境嚴發簽證，全世界的人恨不得跑美國來。

來源: 老朽於 2023-08-19 14:27:20 [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.