本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 * @0 {3 m* ?. q. C : H3 V t5 p( s# T/ uYou 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.