One-half or more of the developing world's nonagricultural workers are employed in the underground informal sector, according to the International Labour Organization.
In addition to their sophisticated technical culture, they also attained one of the most complex social organizations of any nonagricultural people in the world.
We assisted on a priority basis poor workers in securing jobs and poor rural migrant workers who had returned home in finding new jobs, thus keeping rural residents' incomes from nonagricultural work stable.
新的耕地占用
的数字，在发展中国家，仍有占一半
多的非农劳动力在地下经济领域就业。
限制，有别于非农就业的H-2B签证，后者每年只有 66000 个名额。
托福单词
组织中。
