They say undocumented workers push down wages in some jobs, like in the building industry.
他们说没有正式文件的工人拉低了一些工作的工资，比如建筑行业。
But there are also 9,870 undocumented farm workers in Arizona and 74,730 in California.
而没有记录在案的农场劳工数量，亚利桑那州有9870人，加州有74730人。
But there are also 9,870 undocumented farm workers in Arizona and 74,730 in California.
而没有记录在案的农场劳工数量，亚利桑那州有9870人，加州有74730人。
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