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Although the above code can meet the requirements, it is not easy to expand and difficult to read. If I want one or two conditions in the future, if I want to recharge 300 yuan successfully, I can win the 150 yuan red envelope, then I have to change the code inside at this time, so the coupling between business logic and code is relatively high, and I accidentally correct the wrong code. At this time, we try to use the responsibility chain mode to transfer objects in turn to realize it.医馆就在秦家不远，老魏挑着那担不知是什么的谢礼，送去胡镇的病房，也学着先前那两个随从的样儿，把东西一撂，丢下一句太太说了，我们家不收谢礼，然后转身就跑了。情之一字，最难琢磨。A red-yellowish blend first points this cashmere scarf when dyed with the onion skin extract.The wages of workers and the number of workers will also indirectly lead to the price of network cables. Nowadays, the operating costs of factories are getting higher and higher, mainly because the average wage level of workers is generally rising, and workers are hard to find, and the burden on all factories is increasing. As a result, the processing fees of network cable products will also increase.Use reasonable data sampling: It is necessary to ensure that a small number of entities (including IP or users) cannot account for most of the model training data. In particular, care should be taken not to pay too much attention to false positives and false negatives reported by users. This may be achieved by limiting the number of examples that each user can contribute or using attenuation weights based on the number of reported examples.The business has been done. When it comes to collecting money, many people will think that I am so familiar with purchasing that I feel embarrassed to chase after his money all day long. Therefore, we seldom chase after the money or don't chase after it several times. In fact, we also have to get the payment for the goods before we can get the commission. It is only natural that we owe him too much, and your business will not last long. I usually ask him to arrange the payment, not to ask him to arrange it, but to say * * Mr., you arrange the payment for the goods for me on Wednesday, and I will pick it up that afternoon. He sometimes says that it will not work on that day, then I will say that it will be Tuesday, and he will often say that Wednesday will work.