xiaobaitu, could you please explain what is the difference

来源: 于 2007-06-11 17:43:29 [旧帖] [给我悄悄话] 本文已被阅读：次

between the visas when you apply in USA or outside of USA? I got my H1-B visa two month ago in Canada. It is just two times entrance to USA and expires after 3 months.