Unlike music and film, nearly all television is free at the margin: once a household has paid its subscription, it costs nothing to watch another show.
与音乐电影不同，几乎所有电视节目边际费用都是零：用户一旦付费订购了，看别的节目就不用掏钱了。
Subscription has proved by far the best way of paying for high-quality television.
事实证明，订阅是目前支付高质量电视节目的最好方式。
IPTV USES fast broadband connections to bring television programs into homes. It normally requires a subscription and a special box on top of the television.
网络电视通过高速宽带连接将电视节目带入千家万户。通常需要一个电视机顶盒并订阅相关节目。
IPTV USES fast broadband connections to bring television programs into homes. It normally requires a subscription and a special box on top of the television.
网络电视通过高速宽带连接将电视节目带入千家万户。通常需要一个电视机顶盒并订阅相关节目。
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