lasting: implies a capacity to continue indefinitely: a book that left a ~ impression on me.    又如lasting friendship/impression/peace持久的友谊/印象/和平，其中的"持"指用手握住，避免失去或改变        （indefinitely无限期地for a period of time with no fixed limit，如the trial was postponed indefinitely审讯无限期延迟，如at some indefinite time in the future在未来的某个时间）


permanent: adds the implication of being designed or planned or expected to stand or continue indefintely: a ~ living arrangement.      如permanent member of UNSC安理会常任理事国，permanent contract/employee/partner/home长期合同/雇员/伴侣/安定的家             居住安排  注意plan过去式


durable: implies power of resistance to destructive agencies that exceeds that of others of the same kind or sort: ~ fabrics.    如durable plastics/fabrics/consumer goods耐用塑料/织物/消费品，如bone china is strong and durable骨瓷坚固耐用


stable: implies lastingness or durability because deep-rooted or balanced or established and therefore resistant to being overturned or displaced: a ~ government.  如stable price/relationship/(medical) condition/mind/(chemical) state/structure稳定的价格/关系/病情/情绪/化学状态/结构，还指马厩。stable形容状态，形容动作持续稳定用steady，如steady improvement/growth /decline/job/income/pace不断持续改善/增长/下降/稳定的工作/收入/步伐


lasting持久: 指持续很久(indefinite无限期)，permanent永久: 指根据设计计划期待而持续很久，durable耐用: 指有抗外力破坏的能力，强过同类，stable稳定: 指难以推倒移除，如因根基深厚、体态平衡、稳固确立


记忆方法: 1）首字母LPDS排序成PLDS漂亮的事<==持久的事 "久"是象形字，像"人在驻足等待"的样子，造字本义是动词: 停止行进，等待。引申为时间长。如久等久别久久为功        "永"也是象形字，其字形像长长的流水，中间是主河道，旁边是支流，本义：水长。如《诗经-汉广》中"江之永矣，不可方思"江水悠悠长又长，乘筏渡过不可能。后表示时间长，像江水一样长流不息，如永久永生永存

         2）练习一下

         3）持久的意思是持续很久mean enduring for so long as to seem fixed or established.首字母LPDS排序成PLDS漂亮的事<==持久的事   established确立: 长期建立，强调长期培养，因此稳定