have to admit that, comparatively speaking, our cities are not so clean and green as those in the developed countries. There are not adequate trees, lawns and flower-beds in such big cities as Beijing,Tianjin and Shanghai. We should make our cities greener by planting more trees, grass and flowers. A green enviromnent can bring us pleasure, beauty and fresh air. Trees, lawns and flowers will make our cities more pleasing to both the eye and the mind, improve the weather conditions and provide fresh air, all of which will no doubt do us a lot of good. I suggest that the whole city go all out every spring to plant new trees, build new lawns in and around the city, and everyone should take care of and protect the trees, lawns and flowers, and educate the children to love them. Then year af year, our cities will become greener, more beautiful
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