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Then let's talk about the method of distinction now.2. The coupling between the publisher and the subscriber is reduced. The publisher only publishes a message, and it does not care how the message is used by the subscriber. At the same time, the subscriber only monitors the event name of the publisher. As long as the event name of the publisher remains unchanged, it does not care how the publisher changes. Similarly, the seller (publisher) only needs to tell the subscriber (buyer) about the arrival of shoes, regardless of whether the buyer buys or not, or whether he buys other sellers. As long as the shoes arrive, the subscriber can be notified.呃？陈奎眼中一抹复杂的神色闪过，旋即满脸堆笑道：言重了，吴大人身体不适多休息才好，下官明日过去府上探视。板栗等人听了，大感兴趣，笑道：爹跟娘这么伉俪情深？嗳哟。林达如愿以偿的和罗薇结了婚。不成想婚后两人矛盾不断，一次林达被罗伟才奚落之后堵气开车回家的路上不慎撞伤了刚从海外归来的杨乐婷。巨额的医疗费和精神上的折磨使他选择了逃避，罗父要求罗薇打掉孩子跟林达离婚，罗薇坚决反对并下定决心跟林达共度难关，一起打拼幸福的生活。当林达看见躺在病床上的杨乐婷和她年迈的老母亲时，流下了泪水!在家人的鼓励下他重新振奋，主动承担起了照顾杨乐婷的责任，杨乐婷也找回了生活的希望。一年后，林达的汽车修理所开业，坐在轮椅上的杨乐婷跟罗薇在幼儿园里高兴地给一群孩子讲着那一条条白色的生命斑马线，阳光洒满大地，宽敞的街道上依然车来人往。Singleton mode refers to ensuring that there is only one instance of a class and providing a global access point. It solves the problem of the number of entity objects, while other builder modes all solve the coupling problem brought by new. The main points of its implementation include:Later, Jiang Yong's little arm was abruptly rotten, Only two arm bones were left poking at it white and dense. He cried out in pain, but we had nothing to do. Apart from not seeing anything, the time was too short. From being splashed by this green liquid to rotting small arms to leaving only bones, the whole journey took at most about 5 seconds. Even if we didn't flush with water, it was estimated that we could delay another 2 or 3 seconds.