本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 4 Q) t$ ^2 D$ I7 `# U0 B4 X4 ?6 L - [" h& b1 H. o* g" a/ 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.