商务英语口语对话:山中无老虎,猴子称大王

Turnover: the rate at which employees leave a company and are replaced by other people 人事变更率;人员调整率
The factory has a high turnover of staff.
这家工厂的人员变更率很高.

supervisor: a person who supervises sb/sth 监督人;指导者;主管人 noun
I have a meeting with my supervisor about my research topic.
我要就我的研究课题同导师见一次面.

Discipline: to train sb, especially a child, to obey particular rules and control the way they behave 训练;训导;管教
a guide to the best ways of disciplining your child
管教子女最佳方法指南