本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 $ Q& O6 k/ h/ C# l& a G) N6 h* ~* k; ^+ v
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.