city people's livelihood

基本解釋

Public transport system is the basic infrastructure in city, and also the social commonweal concerning the national economy and the people's livelihood.
城市公共交通系統(tǒng)是重要的城市基礎(chǔ)設(shè)施，是關(guān)系國計民生的社會公共事業(yè)。
Traffic problem is an important one of the people's livelihood. City traffic problem is a world difficult problem. We must take some steps and measures to reduce the city traffic congestion.
交通問題是重大民生問題，城市交通問題是世界的難題，必須要採取多種措施，多種方式努力緩解城市交通擁堵。