求翻译：近年来，然而城市的环境在逐渐变差，由于交通比较拥挤，车流量的加大，空气污染越来越严重，同时许多工厂的大气排放使得水污染越来越严重，但尽管如此，大量的农民工还在不断的向城市流进。是什么意思？

In recent years, however, the urban environment becomes worse, due to crowded traffic, traffic increased, more and more serious air pollution, atmospheric emissions of many plant makes water pollution is increasingly serious, but nevertheless, a large number of migrant workers are still constantly f

In recent years, however the city environment has changed for the worse, and the result is traffic congestion, air pollution, the greater the traffic flow has become more and more serious, and many factories of atmospheric emissions makes water pollution has become more and more serious, but nonethe

In recent years, however city environment in gradually variations, because the transportation quite is crowded, the traffic flow magnitude enlarge, the air pollution is more and more serious, simultaneously many factory atmospheric emissionses causes the water pollution to be more and more serious,

In recent years, the urban environment gradually worse, however, because of the traffic congestion, traffic volume increased, air pollution is getting worse, at the same time many atmospheric emissions of factories that make water pollution is getting worse, but still, a lot of migrant workers conti

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