However, the ideas aren't restricted to communications providers: They apply to all types of service providers-banks, stock brokers, utility companies, and so on.
然而，其中的原理并不限于通信提供商：可以应用于所有类型的服务提供商—银行、股票代理、公用事业公司等等。
However, the ideas aren't restricted to communications providers: They apply to all types of service providers-banks, stock brokers, utility companies, and so on.
然而，其中的原理并不限于通信提供商：可以应用于所有类型的服务提供商—银行、股票代理、公用事业公司等等。
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