A postal network now covers the whole country.

邮路遍及全国。

《新英汉大辞典》

The postal network has been extended, with new outlets in supermarkets and longer opening hours.

邮政网络扩大了，超市里有了邮政营业点，营业时间也延长了。

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In a country, postal industry is an important social public utility, and postal network is an important corresponding infrastructure.

邮政业是国家重要的社会公用事业，邮政网络是国家重要的通信基础设施。

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In 1889, the German Government decided to use the postal service as an information network to create Social Security.

889年，德国政府决定将邮政用作,建立的社会保障的信息网络。

耶鲁公开课 - 金融市场课程节选

Germany was very effective in these-- they had advanced bureaucracy, a good postal service, and they had a network of post offices all over the country-- every little town had a post office.

德国人处理此事非常有效-,他们推进了行政机制和邮政服务，出现了全国范围的邮局网-,每个小镇都有一所邮局。

耶鲁公开课 - 金融市场课程节选

The postal network has been extended, with new outlets in supermarkets and longer opening hours.

ECONOMIST: Europe's postal services

This analogy to address books points to an important limitation for social networks, such as Facebook, compared with older sorts of network, such as the postal or telephone systems.

ECONOMIST: Internet companies: Social graph-iti | The

The proposal threatens "the viability of the Postal Service itself, and begin to dismantle the universal network that has served the country well for 200 years, " President Fredric Rolando said.

WSJ: Budget Backs Dropping Saturday Mail Service