请问left 与 been away from的区别是什么

请问left 与 been away from的区别是什么 has left 和 has been away from stay away from 与keep away from 的区别 keep away from与be far away from的区别 far from与far away from与far away与away from的区别,原因 has been left与has left的区别 has left与 has been left的区别 will be和will的区别,has been away from和has away from be away from 与leave的区别 leave away from 与leave的区别 get away with 与get away from的区别 be away from 与far away的区别?