The company provides more than 20 free-to-air channels.
本公司提供20多个免费收视频道。
《牛津词典》
2
Others think that advertising is the big commercial opportunity, just as it has been on old-style "free-to-air" television.
舆论认为,在旧时被称作“自由的空气”的电视上播出的广告是一个巨大的商业契机。
3
In recent years it has developed additional content and channels, such as English news, a documentary channel, a children's channel and a sports station, which are all free-to-air.