That is the case for manual jobs in agriculture, mining and construction and a variety of low-paying jobs in the service sector (for example, domestic work, childcare, the care of the elderly, cleaning, food processing, etc.).
农业、采矿和建筑行业的体力劳动以及服务部门的各种低薪工作（例如帮佣、带孩子、照顾老人、打扫、食品加工等）就是这种情况。