本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 + p6 v5 _( |, `! I( J% {9 x9 J % H# t; `. U. X- ^ xYou 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.