employ
词根词缀：
deploy v. 调度；部署（部队）
de 使… + ploy 用 → 使用〔部队〕→ 调度；部署〔部队〕
employ v. 雇用；运用
em 使… + ploy 用 → 使用 → 雇用
exploit v. 剥削；开发利用
ex 出 + ploit 用 → 利用出来 → 开发利用
ploy n. （取胜的）策略
redeploy v. 重新部署
re 重新 + deploy 调度；部署（部队）→ 重新部署
数据来源：新东方英语词汇速记大全
相关例句：
The government counted 27,600,000 employed persons in West Germany.
据政府统计，西德当时的就业人数为2,760万人。
We only employ female workers.
我们只雇用女工。
The journalists would be much better employed in trying to explain to us how the astronomical legal costs of the cases can be justified.
记者们最好花时间向我们说明为什么诉讼费高得惊人。
Those in his employ were careful never to enrage him.
在他手底下干活的人都非常小心绝不去触怒他。
More than 3,000 local workers are employed in the tourism industry
3,000余名当地人受雇于旅游业。
I employ a secretary to screen my calls.
我雇用了一名秘书转接打给我的电话。