本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 & t' n0 z! ~9 x* u. w- o2 F ! r. T( {; p* M8 {' S3 FYou 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.