一、增长动力仍显不足(一)半开的引擎消费一直是美国经济增长的引擎,但是随着美国经济复苏,消费增长却相对缓慢。在仍面临诸多不确定性的情况下,这具引擎仅仅半开,在拉动美国经济时就显得颇为吃力。2009年三季度美国经济增长2.2%,消费贡献了其中的2.0%;但接下来几个季度,即使经济增长保持相当的水平,消费的贡 First, the growth momentum is still insufficient (A) half the engine consumption has been the engine of economic growth in the United States, but with the U.S. economic recovery, consumption growth is relatively slow. While still facing a lot of uncertainty, this engine is only half-open, and it seems quite difficult to pull the U.S. economy. In the third quarter of 2009, the U.S. economy grew by 2.2% while consumption contributed 2.0% of the total. However, for the next few quarters, even though growth remained fairly balanced,