All net fare use applicable published fare with the same fare Basis.

所有价格必须使用相同票价基础的面价。

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The ticket is for LONDON to NEW YORK only, and the class is Economy (fare Basis y). The passenger is Mancone, A. Please confirm the Booking as soon as payment is made.

机票必须是伦敦直达纽约，舱位等级是经济舱(票价基数y)。乘客是A。曼孔，一旦票款支付，请立即予以确认。

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This paper discusses the theoretical basis of making urban rail transit fare and the common pricing model, and analyses the characteristics and existing problems of the models.

本文讨论了城市轨道交通票价制定的理论基础和常用的定价模型，分析了各模型的特点及其存在的问题。

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