此外，美联储认为过去一年中失业下降的很大一部分原因是大量人口不再寻找工作（于是不再计算为失业人口 ） 。
Moreover, the Fed recognizes that a substantial part of the decline in the unemployment rate in the past year reflects the large number of people who stopped looking for work (and who therefore are no longer counted as unemployed).