美國經濟第三季度出乎意料大幅增長大綱

The U.S. economy grew at the fastest rate in a decade during July, August and September, growing by five percent, which is much faster than first thought.

美國經濟第三季度7、8、9三個月增長5%，增長速度大大超過預期，是十年來最快的。

Officials Tuesday announced the dramatic spike in third quarter gross domestic product, which is the sum of all the goods and services produced in a nation. It is the broadest measure of economic health.

美國官員星期二宣佈第三季度GDP大幅上升。 GDP是一個國家生產的產品和服務的總和，也是衡量經濟健康的一個重要指標。

Commerce Department experts routinely revise GDP estimates as more complete data become available.

隨着數據的不斷更新，美國商務部專家對GDP預測數字正常進行調整。

In this case, stronger consumer spending and business investment helped bolster growth.

第三季度經濟大幅增長主要是得益於消費支出和商業投資比先前估計的更爲強勁。