本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 ' ^; v \! l( b" S' C' t7 F
: { a% }! A. O# J! R/ 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.