本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 2 A+ A9 J4 e. _! x- n5 r8 n4 F0 i; _# Z( v) D( b$ }6 I
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.