- 問題詳情:Amsterdamisthebikecapitaloftheworld.RidingbicyclesisafunandeasywayofgettingaroundAmsterdam.Studentsgotoschoolbybicycle.Peopleridetheirbicyclestowork.Travelersridebicyclesfreelyaroundthecity.Evenpoliceworkonbicycles.YoucanseetheseeverydayinAms...
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