Mostsubwayaccidentsresultfromslips,trips,andfallsonstai...
問題詳情：Mostsubwayaccidentsresultfromslips,trips,andfallsonstairwayswhensomeoneisinarush.Thebestsafetyadvicewecangiveyouis:slowdownwhenyouareonthestairs,andholdthehandrail(扶手).Sometrainsareshorter(t...