请问:maintain,stay,keep,hold 的区别,谢谢!答:maintain 维护,保持.如:maintain the system(维护系统)stay 停留,呆在某地 如:stay at home(待在家)keep 保持,保留 ,保管,记住 如:keep it on mind; keep the money for me.hold 抓住,拥抱,暂停(某件事),如:hold the handrail(抓住扶手);Hold me, Please! (抱抱我好吗);Hold the project...