本帖最后由 Coldhotdog 于 2013-7-15 19:10 编辑 {- e+ v; N3 u7 q' [0 [; Z7 V' D B# `( W
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.