Change it if you make the channel different or add more.

如果使用其他通道或者增加更多通道，请更改它。

youdao

Add more channel extensions honored by RSS 2.0 specifications that suits your organization or identify URLs that specify information when the search site is under maintenance.

添加更多由适合您的组织的RSS 2.0规范提出的通道扩展，或者识别url用于在维护搜索站点时指定信息。

youdao

That would add to the legal cost of transactions and further gum up a damaged channel of credit.

这将会增加交易的法律成本，此外还会把本已损坏的信贷通道弄得更糟。

youdao

So why cough up 50 cents or so per subscriber (similar to what Comcast pays, though the NFL Network initially wanted more) to add the channel?

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Club members were encouraged to post flyers in gun and tackle shops and to encourage sportsmen to call cable systems and insist they add the Outdoor Channel.

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Now the deep-pocketed cable channel will add college basketball to its armory.

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