To see all this in action, you'll put together a trip-planning page in which the user can type in a source and destination airport.

为了进行演示，您将组建一个旅行计划页面，在该页面中，用户可以输入出发地机场和目的地机场。

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If the destination was resolved, the original user request is forwarded to the destination; otherwise an error is returned to the user.

如果目的地已解析，则将原始用户请求转发到该目的地；否则向用户返回一个错误。

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Branding ensures that when an end user accesses a channel destination or authenticates with a channel, the end user is presented with a look and feel specific to his or her subscriber.

品牌确保在最终用户访问通道目的地或通过通道的身份验证时，向最终用户提供特定于其订阅者的外观。

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YouTube has moved away from its early days as a destination for user-generated content to professionally produced video that would not look out of place on television.

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Davison won't disclose how many people have signed up for Highlight to date, but our tests in London this week revealed a relatively thin pool of users. (For context, another fledgling rival, Banjo, hit 1 million users in April.) He appears to be some way off from the fabled "critical mass" at which a network becomes an attractive user destination.

CNN: With new mobile apps, no one's a stranger

The app has the slickest user interface of the bunch too, executing tricks such as remembering properties a user has stayed at before and automatically suggesting those properties when the user searches that destination again.

BBC: A boom in same-day hotel booking apps