Nowadays, there is no denying that ofo bicycles bring great conveniences to daily, reducing carbon dioxide emission ,especially entitling almost every ordinary citizen to use it.
The OFO bicycles came into vague in urban city, such as metro station, college campus, downtown areas thanks to the rapid development of net and sharing economy。You just take out your smart phone to scan the picture via the Wechat before you use, and lock it when you arrive at your destination，what,
more, you pay it cheaply and quickly。
Unfortunately,some persons do'nt ride it in a appropriate way, even break it ,in this case, more and more OFO bicycles are too damaged to use, we need to raise public awareness about preserving them。
