will look more beautiful. thirdly, trees can improve the climate of the cities, making it neither too hot in summer nor too cold in winter.

　　since we can get so much benefit from making our cities greener, we should spare no effort to do so. we should plant even more trees and take even better care of them while they are growing. besides, we should not cut down trees any more. in a word, we should do everything to add to the greenization of our cities.

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