回複：小白兔及各位老大：

來源: 於 2007-06-19 20:19:10 [舊帖] [給我悄悄話] 本文已被閱讀：次

(1) It is normal distribution with mean value 3--4 months.
(2) It is also a normal distribution with beling lucky: 1.5 months to being unlucky 6--7 years.
(3) Visit USCIS website or Google.