本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 ; y' X& I# d5 p! T# F( ?, k; c- f% U7 |" Y- Z
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.