许多孩子都知道了玩具店里的秘密，但是大人们仍然被蒙在鼓里。不断有小朋友来到玩具店，小精灵们欢迎孩子们的到来，热心地满足孩子们的各种愿望和梦想，帮助孩子解决在成长中遇到的小麻烦、小问题。在这个过程中，小精灵们自己也有很多收获，他们越来越懂得了在每个孩子内心，都有一个神奇的世界，其实每个小孩子都是聪明可爱的小精灵
Abstract factory mode refers to providing an interface to create a series of related or interdependent objects, so that clients can create product objects in multiple product families without specifying the specific type of products, emphasizing the change of "series objects". The main points of its implementation include:
"It is incredible to dig so fast, I can also imagine how bad your situation was then. The "killer bees" all over the sky are already very difficult to deal with, Hitting the body can kill people with almost one blow. Two or three big mice can bite off people's limbs. The few besieged one person, which is even more destructive than wolves. However, judging from the history of the war, although the 149 position was hit hard, it finally successfully completed the defensive task. How did you do it? Or how did I get out of trouble? "I wrote down the key points before, stopped writing and then asked.
