Chinaisalandofbicycles.Atleastitwasbackin1992whenItrave...
问题详情：Chinaisalandofbicycles.Atleastitwasbackin1992whenItraveledthecountry.Backtheneveryoneseemedtoberidingabicycle.Millionsofthem,allblack.Carswererare(罕见的).YetsincemyarrivalinBeijinglastyear,I...