hire是日常用语，指按工作量计酬的雇佣人手；employ则多指商店或公司长期雇佣人手；rent一般指租借房屋、地产（租借出去）。例如：He hired a truck to help him in moving to his new home．他租了一辆卡车帮他搬家。The company employs fifty people．这个公司雇佣了五十人。
