联合 结合中释
During the past 40 years, the fraction of unionized civilian workers fell steeply-and not only in the United States- while the unionization of government workers fell only a little..在过去40年里，非政府工人在联合会的比例大幅度下降——这种现象不止发生在美国——而政府员工在联合会的比例仅小幅度下降。
