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

Better design and wiser use of both mass transit systems and private vehicles will play an important part in helping America get more out of energy used for transportation.

对公共交通系统和私人汽车进行更好的设计及更合理的使用，会在帮助美国交通获得更多可用能量上发挥重要作用。

youdao

A transportation expert told the reporter that job growth likely plays a part as well, along with some people driving longer distances to and from work.

一位交通专家告诉记者，就业的增长可能也起到了一定作用，再加上一些人通勤距离加长。

youdao

And if that is not fast enough, then people can drive to another part of the modern transportation system: the airport.

VOA: special.2010.04.26

Greenhouse gas emissions, such as carbon dioxide, are created in part by burning oil and coal for transportation and electricity.

VOA: special.2009.12.26

Bike sharing is on the verge of becoming an integral part of public transportation in cities across the globe.

BBC: Bike sharing around the world

But we're not trying to create something that will replace the car, but something that will be a part of an integrated transportation system.

CNN: Reinventing the wheel

He said Boeing has been asked to take part in the examination of images of the airplane part by the National Transportation Safety Board, which is providing assistance to New York authorities overseeing the probe.

NPR: NY Officials Seek Human Remains Amid Plane Debris