... 我认为有三方面是非常重要的 » I think there are three aspects are very important 使空气变得越来越糟 » The air got worse 擅长监控，门禁等系统 » Good surveillance, access control systems ..
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但这一进步又带来了新问题：这么多的小轿车使交通变得越来越糟，空气污染也很严重。
But this progress brought new problems: With all the cars, traffic was getting worse and worse, and pollution was ter-rible.
但这一进步又带来了新问题：这么多的小轿车使交通变得越来越糟，空气污染也很严重。
But this progress brought new problems: With all the cars, traffic was getting worse and worse, and pollution waster-rible.
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