精选优质文档-倾情为你奉上1.Why the bus hasnt come, we have waited for a long time2.you see, there is a row of yellow bike over there, lets go see, 3.how do we use it？4.let me see, first download a APP, then open the APP scan code to unlock, so we can ride a bike, 1.okay, I have to ride,we can discuss the bike sharing benefits,I think it can ease traffic congestion, the rental cost is low, it can improve the user experience the disadvantage of bicycle2.fast and convenient operation is the fir
