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Let's understand such a problem first, If our front-end development needs are the needs given to us by the demand side, It is possible that a front-end developer will deal with multiple demanders, Therefore, it will keep in touch with multiple demand parties. Then in the program it means keeping references to multiple objects, The larger the program, There will be more and more objects, The relationship between them will become more and more complicated. Now if there is an intermediary (if it is our supervisor) to meet the needs of multiple demanders, Then the demander only needs to give all the requirements to our supervisor, who will assign tasks to us according to our workload in turn. In this way, our front-end development does not need to contact with multiple business parties, we only need to contact our supervisor (i.e. Intermediary), which weakens the coupling between objects.天鹰教众大呼一声，然后提起大铁锤。　　五年前，世贤在品如和艾莉间徘徊，最后他娶了居家型的品如，怅然若失的艾莉远走法国，却发现自己已怀有身孕，基于母爱生下世贤的孩子。哦哦，应考是大事。List萧华在日本留学期间与芸子相爱,可是遭到了芸子的哥哥中村的极力反对,萧华只好一人回到中国。回到家乡的萧华得知父母早已去世，村里大部分的人都出外淘金，但没有一个人活着回来。他从逃出矿区的两位大哥口中得知，原来日本人假借淘金的幌子骗人去挖钨矿，而矿区的负责人正是中村。萧华知道钨是建造枪炮的重要元素，他混进矿区想联合所有矿工的力量阻止日本人的恶行。芸子在矿区附近开了一家矿工医院，遇见萧华后决心要与萧华在一起，然而萧华和矿工正在密谋炸毁日本人准备运回国的钨矿，他不能答应芸子和她一起离开这里……高端牙科诊所的牙医程皓业余时间经常帮别人出谋划策追女孩，追女孩有无数种方法的他却还没有恋爱过。受过情伤专治各种渣男的罗玥来看牙病，偶遇程皓，两人冤家路窄。两个彼此讨厌的人，开始了一段啼笑皆非的情感追逐战。程皓的合伙人张铭阳动了真心让程皓帮忙追一个女孩，而这个女孩竟是程皓曾经的暗恋对象。程皓的朋友邹北业让程皓出主意追一个女模特。三个遇到不同情感问题的男人成了铁三角，最终他们都找到了最合适自己的另一半，同时也收获了成长。