All participants must address how communication or transportation technology has promoted the quality of life for Americans throughout history.

所有与会者都必须阐明，通讯或交通技术在整段历史上如何提高美国人的生活质量。

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Part of it is communication; part of it is transportation.

其中一部分是沟通；一部分是交通。

youdao

Downstair supermarket, bank, hospital, and public transportation site are nearly very close, shopping is convenient, and communication is easy.

楼下超市、银行、医院、公共交通站点近在咫尺，购物方便，交通很方便。

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We'll rebuild and modernize even more of our transportation and communication networks across the country.

WHITEHOUSE: Retrofitting for Energy Efficiency and New Jobs

It means investing in transportation and communication networks that can move goods and information as fast as possible.

WHITEHOUSE: Winning the Future with Clean Energy

We will upgrade our transportation and communication networks so you can move goods and information more quickly and more cheaply.

WHITEHOUSE: President Obama Addresses U.S. Chamber of Commerce