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The template method pattern consists of two parts, The first part is the abstract parent class, The second part is the subclass of concrete implementation. Generally, the abstract parent class encapsulates the algorithm framework of the subclass, including implementing some common methods and encapsulating the execution sequence of all methods in the subclass. The subclass can inherit the parent class and rewrite the methods of the parent class in the subclass, thus realizing its own business logic.After status-obsessed teen Sara has sex for the first time, she wakes up the next day nine months pregnant-with an alien.In some first-tier cities, operators have to increase the number of 5G base stations while ensuring the operation of 4G base stations, which will increase the difficulty and financial pressure accordingly.天叔、贼仔、头皮、阿邦、阿华五个警察属同一小组，五人工作上配合默契，屡建奇功，被称为“金牌五虎将”。It is a sequence of events rather than a single event that is studied.　　时光流转，经年更迭……