自1980年以来，制造业生产率的提高已使美国从制造业急剧衰退的境地成为世界瞩目的国家之一。
Since 1980, productivity improvements in manufacturing have moved the United States from a position of acute decline in manufacturing to one of world prominence.
然而，传统的制造业生产率衡量指标显示，尽管质量衡量不足，但生产率显著提高，而服务业生产率则继续停滞不前。
Yet traditional measures of manufacturing productivity have shown significant increases despite the under measurement of quality, whereas service productivity has continued to stagnate.
对于这种下降以及制造业和服务业之间生产率增长的差异，人们提出了几种解释。
Several explanations have been offered for this decline and for the discrepancy in productivity growth between the manufacturing and service sectors.
衰退始于20世纪50年代，当时制造业创造了28%的国民收入（国内生产总值），并且雇佣了三分之一的劳动力。
The decline started in the 1950s, when manufacturing generated a sturdy 28% of the national income, or gross domestic product, and employed one-third of the workforce.
数据显示，如果把制造业和服务业归并在一起，那么自1987年以来，生产力平均每年增长1.2%。
The data show that, if you lump manufacturing and services together, productivity has grown on average by 1.2% since 1987.
数据显示，如果把制造业和服务业归并在一起，那么自1987年以来，生产力平均每年增长1.2%。
The data show that, if you lump manufacturing and services together, productivity has grown on average by 1.2% since 1987.
数据显示，如果把制造业和服务业归并在一起，那么自1987年以来，生产力平均每年增长1.2%。
The data show that, if you lump manufacturing and services together, productivity has grown on average by 1.2% since 1987.
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