不容易的。美國的millionaire比例是10%左右，這其中大多數是60歲以上的。

來源: Morning3evening4 於 2012-01-16 10:03:49 [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.