migrant labour system
noun
- chiefly historical (in South Africa) the laws and structures under which black contract labourers from rural areas, the homelands, or neighbouring states were recruited to work in the cities and mines〈主史, 南非〉流动劳工体制（规范来自农村地区、土著半自治地区或邻国的黑人合同工在城市或矿山工作的法律及机构）。