劳工

láo gōng guǎn lǐ

劳工管理

labour management

hé tong qì yuē láo gōng

合同契约劳工

contract labourer/worker

yí mín láo gōng

移民劳工

immigrant labourer/worker

yā zhà láo gōng de xuè hàn

压榨劳工的血汗

bleed the toilers white