本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 6 ^+ @. v* f* S, Y 4 i5 r8 f9 i! I+ B; `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.