You can find anwser inside

来源: 于 2005-10-15 16:30:15 [旧帖] [给我悄悄话] 本文已被阅读：次

http://www.immigration-law.com/Visa%20Retrogression%20Q%26A.html

Visa Number Retrogression: "What Does It Mean to Me and My Family?"