Congress has obstructed efforts to create a more straightforward visa for agricultural workers that would let foreign workers stay longer in the u.s. and change jobs within the industry.
国会阻碍了为农业工人创建更简单签证的努力，这种签证将允许外国工人在美国停留更长时间，并在该行业内更换工作。
As a result, farms have grown increasingly reliant on temporary guest workers using the H-2A visa to fill the gaps in the workforce.
因此，农场越来越依赖使用H-2A签证的临时访客工人来填补劳动力缺口。
The H-2A visa has no numerical cap, unlike the H-2B visa for nonagricultural work, which is limited to 66,000 a year.
H-2A签证没有人数上限，不像用于非农业工作的H-2B签证每年限定为66,000人。
The H-2A visa has no numerical cap, unlike the H-2B visa for nonagricultural work, which is limited to 66,000 a year.
H-2A签证没有人数上限，不像用于非农业工作的H-2B签证每年限定为66,000人。
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