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Dear jim， How is everything going?Do you know "bicycle sharing"?I am writing this letter to share my opinions on it and ask for your suggestions. With the development of city,the problem of traffic is more and more important.People are hopeful that there will be a way to save energy,reduce pollution and can recycle,so the bicycle sharing appeared.There is nothing better than riding to park with friends on sunny weekdays,it is of great enjoy to you.It enable you become heathy. Though the bicycle sharing take convenience to us,it also caused plenty of problems.People don't use them carefully,so that bikes are often badly hurt when returned.There isn't a strict system of management.Thives took bikes within days.In addition to these,ever has someone hurt bikes by design.To these problems,we must find a method to deal. I want to know your views.Don't hesitate to tell me if you have any thoughs.Please reply me at your earlyconvenience. Yours, Li Hua | 
