当政府谈到基础设施对经济的贡献时，通常关注的是公路、铁路、宽带和能源。
When the government talks about infrastructure contributing to the economy, the focus is usually on roads, railways, broadband, and energy.
另外一个制约增长的因素是基础设施的匮乏，从公路、铁路、桥梁、码头、再到机场和输油管线可谓无一不缺。
Yet another obstacle to growth is a lack of infrastructure-from roads, railways and Bridges to docks, airports and pipelines.
而且建造公路，铁路网络和基本的基础设施的采购成本也会减少。
And purchasing costs of constructing roads, rail networks, and basic infrastructure will also be reduced.
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