青云翻译

Indeed, the higher the level of development of Qingdao, more private cars, this should be the most important reason to cause traffic problems.

Indeed, the high levels of development in Qingdao, more private cars, which should lead to the most important cause of traffic problems

The Qingdao level of development is truly high, the private vehicle quite are many, this should be causes the transportation question most important reason

It is true that Qingdao development with a high level, the private car, this should be more to the traffic problem is the most important reason for

Indeed, the high levels of development in Qingdao, more private cars, which should lead to the most important cause of traffic problems