Feldstein calculates that the one-time cost of principal reduction would be around $350 billion. Of course, in our current fiscal environment, it will be hard to find additional resources from the budget.
据菲尔德斯坦测算，本金削减的一次性成本大约在3 500亿美元。当然，给定当前的财政环境，要从预算中抠出更多的资源是很难的。