本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 " O# L! t% D5 g4 |1 `! H- l6 E - M+ a; \' Y! ?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.