The H-2A visa has no numerical cap, unlike the H-2B visa for nonagricultural work, which is limited to 66,000 a year.
与非农业工作的 H-2B 签证(每年上限为是6.6万个)不同,H-2A 签证没有数量限制。
A small segment of the urban society started to specialize in nonagricultural tasks as a result of the city's role as a regional center.
由于该城市是区域的中心,城市社会中的一小部分人开始专门从事非农业工作。
These 'irregular workers' make up about 10 percent of the nonagricultural work force.
这些“非正式工人”约占非农业劳动力的10%。