本地交换子系统 Local Switching Subsystem LSS 本地接入费 local access charge 本地接入和传输区域 Local Access and Transport Area LATA ..
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Broadcast networks and some local newspapers provide their wares free and charge advertisers for access to consumers.
ECONOMIST: Economics focus
But in areas where local calls are free and ISPs offer unlimited Internet access for a flat monthly fee anyway, the no-charge Internet model has less appeal.
CNN: Giving It All Away
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