But from the perspective of social cost and fairness, private vehicles ought first to be expelled from the crowded urban jungle, leaving public buses, trucks and public service vehicles to use the roads with greater efficiency.
但若僅就社會成本與公平性來看，首先應該讓私人性的交通工具退出擁擠的都市叢林，讓公共汽車、貨車、公務車的運作更有效率。