海关会不会因为他们去每年都来住满6个月而只给1-3个月的I-94?
(在考虑给父母办绿卡还是每年办b2)
-Normally the B-2 visa is valid for one year. After the visa expires, your parents need to apply for new B2 visa, and the VO may not approve their B2 visa application if they apply for too often.
谢