本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 + r6 w% B9 T; w c# J2 u! C
: G4 D, `" Z3 ^( 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.