求翻译：　　There are sound reasons First，more cars will cause more traffic jams especially in large cities. Second, more cars will result in more serious air pollution. Last but not the least，the automobile consumes energy. We always proudly claim our country is rich in natural resources. But in the mean time，we need to remember we also have a large population. We do have rich resources of energy，but speaking of energy，we can not smile with ease.是什么意思？

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