(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.
(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.
選擇“Disable on www.wenxuecity.com”
選擇“don't run on pages on this domain”
