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2271PF-Power Forward)In order to sum up experience, consolidate achievements and further promote the long-term and effective development of the school's summer social practice work of "three rural areas", the following is a summary of some characteristics, experiences and personal experiences formed by long-term efforts to explore the summer social practice work.　　在城市生活中，幸福和丈夫冲突不断，婚姻亮起红灯。幸福回乡办民宿，带火了万家庄的旅游产业。不料，保健品厂污染案发，幸福再披战袍，带领村民跟利益集团勇敢抗争，赢得了大家的尊重和拥护，万善堂主动让贤，幸福当选万家庄新的带头人。一边忙忙地吩咐小二把买的饽饽送出去，一边小跑过来，递给那少年一个点心匣子，道：小的买了些点心，三少爷和二少爷没吃东西，先垫些。黄豆张口结舌地看着四弟，众人轰然大笑，趁机岔开话，不再纠缠这问题，然后扶老携幼地出去吃饭。For example, if we want to implement a JS function, Such as form validation, Then if we don't use the policy pattern in javascript described in the previous chapter to solve the form validation encapsulation code, It is a temporary form validation function written by itself. Certainly without any encapsulation, Then at this time, we will pop up a prompt to the user for whether the two values are equal. If there is a form verification on another page, their judgment method and business logic are basically the same, but the comparison parameters are different. Should we consider writing a form verification code again? So now we can consider using the template method pattern to solve this problem. Common methods are extracted, and different methods are implemented by specific subclasses. This design code also has the advantages of stronger scalability and better code ~