Most of the important cities of the world suffer from traffic jam.
世界上大多数大城市都交通堵塞为患。
Traffic jam has been a problem Shared by all countries around the world.
交通拥堵是世界各国普遍面临的问题。
The urban traffic jam problem is one of the important problems facing the world today.
城市交通拥挤问题是当今世界面临的重大问题之一。
The urban traffic jam problem is one of the important problems facing the world today.
城市交通拥挤问题是当今世界面临的重大问题之一。
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