求翻译：但是，家庭汽车数量的增加也带来了许多问题。每个城市的环境都有一定的承载力。首先，汽车尾气污染了城市中的空气，许多人因此患上了呼吸道疾病。然后，汽车数量的增多也为城市的交通带来了负担，堵车浪费了人们的时间，降低了工作的效率。最后，城市中汽车增多还使城市中的用地变得更加紧张，许多人每天都在为找停车位而烦恼。是什么意思？

However, the family increase in the number of cars also comes with a lot of problems. Environments have a definite bearing capacity of each city. First of all, automobile exhaust pollution of urban air, and many people suffered from respiratory diseases. Then, increase in the number of cars also hav

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