employ  (v.) take on or use a person as a paid worker雇佣

[例]  During the year we employed an average of 65.

[同义词]  engage, hire

employee  (n.) person taken on as a paid worker雇员

[同义词]  worker

employer (n.) person or organization that takes on paid workers雇主

[同义词]  boss, director

employment  (n.) work, job (s)工作

enclose (v) to put something in an envelop, usually as well as a letter 附寄

[例]  Enclosed is the receipt for the order.