"Labor" is the word for "劳动" in Engpsh. Here are a few phrases that might be useful:

"Labor force" refers to the total number of people who are either employed or actively seeking employment.
"Labor union" is an organization of workers who come together to negotiate with employers for better working conditions, wages, and benefits.
"Labor laws" are laws that regulate the rights and duties of workers and employers, including issues such as minimum wage, overtime pay, and safety regulations.