kfby2009-03-15 02:54:51
请教大家,父母的探亲签证(B2)如果是一年多次往返的,有没有说拿到签证后一定要三个月内来美国,否则签证失效的说法?
谢谢.
benchmark2009-03-15 03:09:31
no. you think too much. that's not good.