It normally requires a subscription and a special box on top of the television.

VOA: special.2010.12.13

The homeowner in this case tried to renew his subscription at the scene of the fire.

当时，这位房主,在火灾现场想要续订消防服务。

耶鲁公开课 - 公正课程节选

And you can either, like pay a subscription for a year and then you can use it as much as you want,

你可以付一年的押金，然后你可以随便怎么用，

伦敦的蓝色自行车 - SpeakingMax英语口语达人

If you look at this in the same vane as a wireless subscription model, you can give away Zunes for free with a 24-month ZunePass subscription.

FORBES: Ditching Zune Doesn't Make A Lick Of Difference For Microsoft

To the extent applicable, Corporate Subscription billing cycles and terms of cancellations may differ and would be governed by the terms set forth in the Corporate Subscription Purchase Order.

NEWSWEEK: Terms of Sale

For example, if a student gets a subsidised subscription (as The Times used to offer) is this the same as a full price subscription for ad purposes?

FORBES: The Wall Street Journal Europe's Circulation Scandal