Despite the demonstrated benefits of broad-based profit-sharing programs, only about one-third of US private-sector workers participate in them, and about 20% own stock in their companies. If these programs work so well, why are they not more widespread?
尽管广泛利润分享计划表现出诸多好处，但只有三分之一的美国私营部门员工参与其中，并且只有大约20%持有本公司股票。既然这些计划这么好，为何没有得到普及？