SANFRANCISCO—Aphoneapp（應用程式）inSanFranciscogivesinformat...
問題詳情：SANFRANCISCO—Aphoneapp（應用程式）inSanFranciscogivesinformationaboutopenparkingspots.CityofficialsinSanFranciscointroducedtheapptotrytoreducetrafficjamsinthecity,butsomesayitraisessafetyconcerns...