Thebicycleisthecommonsightinourdailylife,asagreatmanyCh...
问题详情：Thebicycleisthecommonsightinourdailylife,asagreatmanyChineseuseoneeveryday.Butyoumaynotknowitsroleinstrengtheninginternationalrelations,asitdidinthecaseofUSPresidentGeorgeW.Bush'svisittoChina...