In the U.S., the average car carries 1.16 persons, and most industrialized countries commonly average below two people; not having to share a vehicle with strangers is a key advantage of private transport.
在美国，平均一辆私家车会乘坐1.16人，而大多数工业化国家的平均私家车载客量也低于2人，因而不与陌生人同处一个空间成为了私人交通工具最大的优势。