The US economy contracted 3.5 percent in 2020 amid COVID-19 fallout, the largest annual decline of US gross domestic product (GDP) since 1946, according to data released by the US Commerce Department on Thursday.美国商务部1月28日公布的数据显示，受新冠疫情影响，2020年美国经济萎缩3.5%，为1946年以来美国国内生产总值最大年度跌幅。 The estimated drop in GDP for 2020 was the first such decline since a 2.5% fall in 2009. That was the deepest annual setback1 since the economy shrank 11.6% in 1946.该数据是美国GDP自2009年萎缩2.5%以来首次下跌，同时也是1946年美国经济萎缩11.6%以来最惨重的年度经济倒退。 The data also showed that the US economy grew at an annual rate of 4 percent in the fourth quarter of 2020 amid a surge in COVID-19 cases, slower than 33.4 percent in the previous quarter.数据还显示，在新冠肺炎确诊病例激增的情况下，2020年第四季度美国经济年增长率为4%，而在2020年第三季度美国经济反弹33.4%。