- 问题详情:SANFRANCISCO—Aphoneapp(应用程序)inSanFranciscogivesinformationaboutopenparkingspots.CityofficialsinSanFranciscointroducedtheapptotrytoreducetrafficjamsinthecity,butsomesayitraisessafetyconcerns.Inthiscity,driverssearchingforparkingspotsleadto3...
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