Growth in two components of private demand, residential investment and consumption, which account for more than 75% of total spending in the US economy, has been especially slow. Both sources of demand are likely to strengthen in 2013.
私人需求的两大组成部分——占美国经济总支出额75%以上的住宅投资和消费增长特别缓慢。两大需求源都有望在2013年有所增强。