urban traffic transportation

• 城市交通

urban traffic transportation的用法和样例：

例句

1. Traffic in a city has become a big problem.
   在城市交通已成为一大问题。
2. The level of motorization is the important symbol to transportation, especially to urban traffic.
   机动化水平是交通运输，尤其是城市交通发展的重要标志。