在美国有700多家地方电视台。由于制作新闻节目与娱乐节目的费用高昂，所以大多数地方电视台不得不依附于三大公司中的一个。
Most of the 700 local television stations are forced to affiliate with one or another of these networks because of the high cost of producing news and entertainment programs.
在美国有700多家地方电视台。由于制作新闻节目与娱乐节目的费用高昂，所以大多数地方电视台不得不依附于三大公司中的一个。
Most of the 700 local television stations are forced to affiliate with one or another of these networks because of the high cost of producing news and entertainment programs.
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