本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 / v) T! e3 a" a& f1 k) E
% }: v. p! K3 Y9 eYou 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.