According to a recent survey,the number of car ownerships doubled over the past 5 years.
问题描述：
According to a recent survey,the number of car ownerships doubled over the past 5 years.
答
According to a recent survey,the number of car ownerships doubled over the past 5 years.
根据最近的调查,汽车拥有量已经在过去五年时间里翻了一倍.