InLosAngeles,driversspendsixty-onehourseveryyearstuckin...
問題詳情：InLosAngeles,driversspendsixty-onehourseveryyearstuckintraffic.Thesedriversknowalltoowellhowbadthetrafficcanbe.“There’retoomanycars,andyoucan’tmovearoundalot.”ProfessorCyrusShahabialsoknow...