People always pay much attention to advertising in the direct channel to the end user, but neglect advertising between tourism suppliers and intermediaries in the indirect marketing channel.

通常人们较为注重面向旅游者的直接渠道旅游广告，而往往忽视旅游中间商与旅游产品生产商之间的间接渠道旅游广告。

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Orbitz has been involved in a dispute with American Airlines, which has been pushing to cut out intermediaries and channel business through its own distribution system.

CNN: Orbitz, Enterprise car rentals part ways