"I'd knock on every door," Tara says of a hostel where undocumented workers lived.

“我敲每一扇门，”塔拉提到一家旅舍。那些非法劳工住的地方。

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In the fields, undocumented workers hardly ever protest when contractors or growers abuse them.

在田里，承包商或者种植商大肆剥削无证工人的劳动力时，他们几乎没有反抗过。

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And billions in tax revenue are lost each year because many undocumented workers are paid under the table.

而且，因为许多无合法身份的工人的收入无帐可查，每年数十亿美元的税收白白流失。

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But Immigration reform advocates maintain a legal path to citizenship for undocumented workers will help boost the U.S.economy.

VOA: standard.2010.04.12

"If you granted amnesty to 11 million undocumented workers you are flooding the market with the potential of those folks competing for jobs with Americans.

VOA: standard.2010.04.12

For years, Mexico has urged Washington to address the status of more than 12 million undocumented workers in the United States, more than half of whom are Mexican.

VOA: standard.2009.04.17

They just want to do it gradually, and they want to see undocumented workers disappear altogether.

FORBES: Labor Won't Embrace Immigrants

In the fields, undocumented workers hardly ever protest when contractors or growers abuse them.

ECONOMIST: They came to America illegally, for the best of reasons

Now politicians are expected to make some decisions on how to deal with undocumented workers.

NPR: The Hidden Costs and Benefits of Illegal Immigration