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该剧讲述了拥有13岁年龄差却同甲的18岁青年与31岁青梅竹马之间的爱情故事。3. The state switching is not obvious, only the state variable is assigned, such as this.state = 'weakLight'. In actual development, such operations are easily missed by programmers. There is no way to clearly understand how many states there are in the light unless you patiently read all the code in the buttonWasPressed method. When there are many kinds of states, the process of a switch seems to be buried in a dark corner of a huge method.　　你会充分体验到峰不二子的魅力吧。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.First, let's talk about scenario, and distribute the content according to the scene where users use the product. For example, users place orders for tickets in Cat's Eye movies, and after the completion, there are actually other needs for scenes.徐阶等人立刻来到前沿城头，却不见一点炮火。Company Suggestions and Opinions (3)