美国的无犯罪记录证明有哪几种?

众所周知,外国人来华工作办理工作许可证需要提供国籍国或长期居住地(满一年)的无犯罪证明,以及办理永久居留也需要提供国籍国的无犯罪证明。今天,大鹤就给大家介绍一下美国的几种无犯罪类型。As we all know, foreigners need to provide a non-criminal certificate of the country of nationality or long-term residence place(at least one year) to apply for a work permit in China, as well as apply for permanent re...