Turnover: the rate at which employees leave a company and are replaced by other people 人事變更率;人員調整率
The factory has a high turnover of staff.
這家工廠的人員變更率很高.
supervisor: a person who supervises sb/sth 監督人;指導者;主管人 noun
I have a meeting with my supervisor about my research topic.
我要就我的研究課題同導師見一次面.
Discipline: to train sb, especially a child, to obey particular rules and control the way they behave 訓練;訓導;管教
a guide to the best ways of disciplining your child
管教子女最佳方法指南