Air transportation refers to the transportation business of carrying cargoes or passengers through air routes.

航空运输，是指通过空中航线运送货物或旅客的运输业务。

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Whether carrying something on foot to a neighboring village or rocketing to the moon, man USES transportation.

无论徒步将东西带到邻村，还是乘坐火箭到月亮去，人们都在使用运输工具。

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Water transportation refers to the transportation business of carrying cargoes or passengers through rivers, lakes and streams and other natural and artificial water courses or sea lanes.

水路运输，是指通过江、河、湖、川等天然、人工水道或海洋航道运送货物或旅客的运输业务。

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Contributing factors are transportation costs, transportation time (inventory carrying costs), taxes and quality.

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Buses remain a popular mode of transportation for Americans, carrying almost as many passengers each year as commercial airlines.

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He later told officials from the US Transportation Security Administration that he was carrying a lot of cash.

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