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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.杨过红着眼睛，嘶声呐喊。Account Name: Jiangxi Jinge Technology Co., Ltd.　《心冤》将以近5年几宗极之轰动、香港人会记得的案件为重心，虽然是奇案的角度，但会用新的手法去拍，着重犯罪者及执法人员的心理。他强调这部剧很地道，是讲香港的故事。陈启说道：不过你不是说，不看我的小说吗？我是说不喜欢看悲剧。8. If the screen remains black, congratulations, it's done! Your iPhone7Plus has entered DFU mode.