private car ownership

基本解释

Firstly, taxes levied on the sales of private cars④ should be raised so as to restrict private car ownership rate.
第一，通過提高稅費限制私家車擁有率(保有量)。
edu.sina.com.cn
As is indicated in the graph, private car ownership revealed a trend of dramatic increase for 10 years in a row while air quality showed an obviously opposite trend.
如圖所示：上海私家車保有量連續10 年呈現出迅猛增長的趨勢，而空氣質量則顯現出截然相反的態勢。
9512.net
He said "Low carbon should be the goal of urbanization. While seeking development, cities should control their traffic and private car ownership and use frequency, develop rail transit."
他認爲：“發展低碳城市應該是城市化的目標，城市的發展中，應儅控制交通量，控制私人汽車擁有量和使用率，大力發展軌道交通；
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