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到底会倒向哪一方，想来刘邦和项羽都会积极争取的。本剧第一季中结尾Karry回了美国，而在第二季中，自习室里又会发生怎样的事呢？Karry回到自习室了吗？敬请期待。218. X.X.101In the era of homogenization of products, brand personality is increasingly showing its important position in communication and marketing. Spokesmen should conform to brand personality, and their image and characteristics must match the enterprise products or target consumer groups they represent.那……打扰了……请自便，随来随走。爹娘答应了，他还能反悔？他望着低头忙碌的小葱，不时问大婶可有这个、可有那个，俨然是掌勺的。Liskov Substitution Principle, LSP (Richter Substitution Principle) means that subclasses must replace their parent types. In other words, in the process of software development, after the subclass replaces the parent class, the behavior of the program is the same. Only when the subclass replaces the parent class and the function of the software is not affected can the parent class be truly reused, and the subclass can also add new behaviors to the parent class. In order to look at an example of violation of LSP principles, the specific code is as follows: