SuHuaisstudyingatCambridge,UK.Shehasboughtabicycleandis...
問題詳情：SuHuaisstudyingatCambridge,UK.Shehasboughtabicycleandisworriedaboutsecurity(安全).Herfriend,Kate,foundthisarticleandsentittoher. IntroductionAlotofcrimeisagainstbicycles.About150,000bicyclesa...