In the fourth quarter, Americans squirreled away money at an annualized rate of $337 billion -- little wonder, given household net worth fell $11.2 trillion last year.

• 去年第四季度，美国人的储蓄折合年率为3；370亿美元--这没什么可惊讶的，考虑到去年美国家庭财产净值缩水了11.；2万亿美元。