方言未来，CBO警告快速老龄化的人口和医疗成本的上升相结合将导致赤字快速增加，其推动力来自退休成本和中产阶级退休者医疗福利成本的增加。
Looking further ahead, the CBO warns that the combination of a rapidly aging population and the increase in medical costs will cause the deficit to rise rapidly, driven by the higher costs of pension and health-care benefits for middle-income retirees.