Network providers do not guarantee a certain quality of service, but merely promise to do their best.

网络供应商并未保证特定质量的服务，而仅仅承诺了尽其所能。

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Packet network providers also benefit from supporting multi services on IP network, such as voice and video.

数据业务提供商也能从在分组网络上提供各种语音、视频和数据业务中得到回报。

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The fortunes of a certain Web site, in other words, might depend on how much it could pay network providers, rather than on its popularity.

换言之，特定网站的收入，可能取决于它能向网络供应商支付多少，而非其受欢迎程度。

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Now,unless Congress changes the law, network providers can slow or block services of competitors.

VOA: special.2010.04.09

But network providers are not opposing the San Francisco plan because it involves a private company.

NPR: San Francisco Weighs Wi-Fi Plans

" They are also entitled to "competition among network providers, application and service providers, and content providers.

FORBES

For example, in Uganda, mobile-network providers cite a lack of infrastructure for not establishing services in some areas.

ECONOMIST: Developing mobility