not really true 回複：告訴你一些我專業上所知道的。但請大家不要mi

He has to 做擔保 when apply the visa. If for collection will end up to him - unless use fake name, but if find out later would be really bad for both parent and son.

White card - CA & NY is for GC over 5 years but couldn't pass the test - because the required 擔保 expired.