今天收到媳妇的I485approved的通知,我的还没有过来,她的通知是让预约,上面讲:。。。when you arrive,your fingerprint and signature will be taken for processing of your parmanent resident card.但是,几个星期前我们,刚刚作了指纹,这是怎么回事?在这里问大家一下,多谢回复!