People are racking their brains to calculate such social costs of driving as parking, traffic and accidents, so that the bill can be left on the windshields of the culprits, the drivers.
大家都想盡辦法把停車、擁擠、交通事故等等社會成本攤開，精打細算，轉回到汽車使用者身上，讓外部成本真正內部化。