本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 / O# Q9 I5 `! s* ?3 f8 I$ F- a$ T( d# N& R
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.