欧洲货币是指原发行国领土之外（）；（）；（）；（）和投资的货币。
参考答案：流通、交换、存放、借贷
----I think the teacher is wrong, _____?
----No, I don't think so
A．don't you
B．don't I
C．doesn't he
D．doesn't she
电子客票行程单，是指旅客购买空运企业民用航空运输电子客票的付款凭证或报销凭证。
