With the developing of our country,people are getting more and more rich.But some people behave badly in public places.They leave about rubbish,even spit everywhere.So our city are getting more and more dirty.The city belongs to us,we must love it.We live here and are a part of the city.If we are cleaner,the city will be cleaner.And we will live in a cleaner circumstance,and be more healthy and happy.Why not make our city cleaner?