求翻译：随着经济的发展，北京的车越来越多，公路越来越拥挤。随着汽车的普及，大气污染越来越严重，堵车的情况也经常发生。是什么意思？

With economic development, more and more cars in Beijing, more and more crowded roads. With the popularity of cars, more and more serious air pollution, traffic jams often occur.

With the development of the economy, more and more cars in Beijing, the Highway becomes more crowded. With the spread of automobiles, air pollution is getting worse, the rush hour traffic is also a frequent occurrence.

Along with the economical development, Beijing's vehicle are more and more many, the road is more and more crowded.Along with the automobile popularization, the air pollution is more and more serious, the situation which traffics jams also frequently occurs.

With the development of the economy, Beijing's more and more, increasingly crowded highways. With the popularity of automobile, air pollution is getting worse, traffic jams are frequent.

With the development of the economy, Beijing's more and more, increasingly crowded highways. With the popularity of automobile, air pollution is getting worse, traffic jams are frequent.