Indeed, cost - both to users and to ISPs - is the second obstacle.
的确，用户和服务商的花销是第二个原因。
New partnerships with ISPs can help build an Internet in which music is properly valued.
与互联网服务提供商新的合作有助于建造合理评估音乐价值的互联网。
Traffic engineering is one of the most difficult tasks for the ISPs.
流量工程是ISP中最难处理的问题之一。
Traffic engineering is one of the most difficult tasks for the ISPs.
流量工程是ISP中最难处理的问题之一。
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