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Zhang Liangying, born on October 11, 1984 in Chengdu, Sichuan, is a Chinese pop singer. She is currently a member of All-China Youth Federation, an image ambassador of China Green Foundation and an ambassador of WWF Yangtze finless porpoise protection.The strategic perspective of the financial industry can and should be widely extended to all walks of life.Now we can override the methods in the parent class Interview in the subclass BaiDuInterview; The code is as follows:临场！这是真实的（？）新的派出所女子的故事！From the above command class code, we can see that any operation has an execute method to perform the operation. The above code uses traditional object-oriented programming to implement the command mode. The procedural request call of the command mode is encapsulated in the execute method of the command object. Have we found the above writing code a little cumbersome? We can do this using the callback functions in javascript, In object-oriented, The receiver of the command mode is saved as an attribute of the command object, and the command execution operation is agreed to call the command.execute method. However, if we use the callback function, then the receiver is closed in the environment where the callback function is generated, and the execution operation will be simpler. Only the callback function can be executed. Let's look at the following code:范依兰想起有消息说，当晚有秦国人潜入鸿门军营营救子婴，看来是确有其事。