What we can learn from Oriental countries is a higher level of service.

我们能从东方国家学习到的是更加高等级的服务。

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This service is used by the next higher level protocol: the Internet protocol (IP).

高一级别的协议—网际协议(IP)使用这一服务。

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This service is used by the next higher level protocol: the Internet protocol (IP).

高一级别的协议—网际协议(IP)使用这一服务。

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