本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 ( \! q8 i: Y' a" v# P: z4 Y# s: s4 t$ L- O W' B4 N
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.