Parking is an important part of an urban transportation system.
停车是城市交通体系的重要组成部分。
Urban passenger transport system is an important factor to affect urban transportation efficiency.
城市客运交通体系是影响城市交通运输效率的一个至关重要的因素。
Passenger transportation system is one of the most important parts of urban transportation.
客运交通系统是城市交通系统的重要组成部分。
Passenger transportation system is one of the most important parts of urban transportation.
客运交通系统是城市交通系统的重要组成部分。
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