InLosAngeles,driversspendsixty-onehourseveryyearstuckin...
问题详情：InLosAngeles,driversspendsixty-onehourseveryyearstuckintraffic.Thesedriversknowalltoowellhowbadthetrafficcanbe.“There’retoomanycars,andyoucan’tmovearoundalot.”ProfessorCyrusShahabialsoknow...