求教, NIW, 推荐人要把推荐信寄到哪?怎么样寄?上面要签名吗?# Immigration - 落地生根W*t2012-11-30 08:111 楼http://player.ku6cdn.com/default/out/pV201006231101.swf#?ver=108&vid=XzZrC8rjlXVqhE95&type=v&referer=