public television
noun/ˌpʌblɪk ˈtelɪvɪʒn/
/ˌpʌblɪk ˈtelɪvɪʒn/
[uncountable] (North American English)- a television service that shows mainly educational programmes and is paid for by the government, the public and some companies
大众文化教育电视（由政府、公众以及某些公司赞助）