标题: ShareAlike 3.0 Unported — CC BY [打印本页] 作者: ElkeBowler 时间: 2019-3-18 13:40 标题: ShareAlike 3.0 Unported — CC BY The US vacationer visa falls under the class of non-immigrant visas. Overseas vacationers are urged to hold their passports on their person at all times.