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讲述主人公与书籍们的故事，读者能够赋予书籍生命，而书籍能够让读者生活充满色彩。Bridging mode is to separate things from their concrete implementation so that they can change independently. The purpose of bridging is: Decoupling abstraction and implementation, So that the two can be changed independently, Like our commonly used JDBC bridge DriverManager, when JDBC connects databases, it switches between databases without moving too much code or even at all. The reason is that JDBC provides a unified interface, each database provides its own implementation, and a program called database driver is used to bridge. Let's look at the diagram:Liu Guiduo has been sticking to his guns and denied all the charges.Another friend of mine also went to the scene. She came back and said, "The people who stepped on the thunder are not worthy of sympathy at all." They themselves are not sad at all, and they are very indifferent. They only want to tear down all the useful things of the company there. It seems that this kind of thing is a common occurrence for them. Is this the professional accomplishment of a professional Maoists?虎子怀疑地问：那咱们主动认输就有好处了？白赔了许多粮食和肉给他们吃。临河初，一个大树伸到河面上，遮住了对岸和两旁的视线。戚继光点头道，贼终究是贼，兵终究是兵。