真的啊, 确认吗? 我看到travel.state.gov.写的是

来源: 于 2011-07-09 19:32:29 [旧帖] [给我悄悄话] 本文已被阅读：次

can be used from the date visa is issued until the date it expires to travel to the U.s.

so...

貌似包含过期当天?