尽管美国在卫生保健方面花费了近万亿元的经费,然而这笔开支对人们的影响却不甚明了。美国政府经过许多调查和收集许多统计数据,虽然了解到疾病的流行状况,发病率及其他一些情况,但对卫生保健服务状况却知之甚少,特别是对改善健康水平的作用几乎一无所知。如果1996年颁布的健康保险法案得到 Although the United States spent nearly a trillion yuan in health care, the impact of this expenditure on people is not clear. The U.S. government has conducted many surveys and collected many statistical data. Although it understands the prevalence, incidence, and other conditions of the disease, it knows little about the status of health care services, and it has almost nothing to do with improving the health status. . If the Health Insurance Act was enacted in 1996,