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板栗却兴致起来，上前帮和尚推磨。喜娘瞧了愕然，想要提醒，又觉得他们这么手拉手也不错，于是就这样进去了。The above is only a model of "Long En" bicycle, If you need to generate other types of bicycles, Other subclasses can be written. The most important advantage of factory mode is that some of the same methods can be implemented. We can write code in the parent class for these same methods. If we need to implement specific business logic, we can rewrite the parent class's methods in the subclass to implement our own business logic. In terms of professional terms, there are two points: First, weaken the coupling between objects and prevent code duplication. Instantiating a class in a method eliminates repetitive code. Second: Repetitive code can be written in the parent class. Subclasses inherit all member attributes and methods of the parent class. Subclasses only focus on implementing their own business logic.连续的失败，已经将刘邦的锐气磨掉了许多，胆量也小了很多。Figure 17 Distribution of Domestic Broilers Continuously Active in Recent Three Months by Province and Operator南瓜见了低声问道：想吃那个？那是一碟辣味豆（蚕豆），喝茶的时候用来磨牙的。