本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 ! |1 ]7 k7 m; i4 q* k) _2 W 9 `* g0 \9 Q( M9 D) DYou 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.