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　　临终前刘和尚让田彩霞做黑龙潭大掌柜，所有人垂首听命，二掌柜陈胡子却不服，说按规矩杀了仇人才能当家。田彩霞不愿当权，但为了给恩人报仇应下此事，与王光辉假扮佣人潜进董家。董大年的慈爱让田彩霞痛苦挣扎，终于下毒后又想阻止，可董大年已经身亡....../soothePCB travel direction我观张家和郑家，与我等世家颇有不同：我等世家大族注重的名节，对张家来说，什么也不是。《西线兵魂》又名《西线兵车行》，主要讲述了我军官兵为打赢现代化战争在一次又一次的执行任务和演练实战中所发生的故事，由王强主演。故事发生在民国初年，老沈阳北市场有片杂八地，就跟老北京的天桥一样儿，走江湖的、做生意的，开洋行的，还有冒险家投机家等等，你方唱罢我登场，煞是热闹。Although there are subclasses in java that implement the interfaces of the parent class, But I think javascript can be different from java, It is possible that the parent class in java is an empty class, Subclasses to implement the interface of the parent class, in javascript, I think the common code is completely written in the parent function. If the business logic needs to be changed in the future, or new business logic is added, we can completely use subclasses to rewrite the parent class, so the code has strong scalability and is easier to maintain. Since I am not a professional java, please understand if there is any mistake in describing the knowledge points in java ~ ~