本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 ; I) u2 d% T, b" f5 G , r1 `9 ~+ M8 {" s+ }You have to renew your visa each year, and you may lose your social security in Canada. Without a professional position in the US, you cannot stay in the States longer than the period a Canadian is allowed to stay as a visitor.