New York, Paris and other big cities are 1 places to live in. There are many interesting 2to see and to do. You can go to different3of museums, shows and films. You can buy things from all over the world. But there are many problems(问题)in big cities too. The cost(花费)of living is high, and there are too many people moving to the cities4it is easier(更容易)to find jobs. It is hard to keep the cities safe and 5.
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