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这个人选是谁呢？英布。Factory Pattern: Factory Pattern is a frequently used pattern. Classes implemented according to Factory Pattern can generate instances of one of a group of classes according to the provided data. Usually, this group of classes has a common abstract parent class and implements the same methods, but these methods perform different operations for different data. First of all, we need to define a base class. Subclasses of this class implement methods in the base class through different methods. Then you need to define a factory class that can generate different subclass instances according to conditions. After getting an instance of a subclass, developers can call methods in the base class regardless of which subclass instance is returned.Head Horse CC (Competent Communication) ManualAutomatic continuous focusing (AF-C): It is mostly used to shoot moving objects and continuously follow the focus for shooting.攒嫁妆？嗯，很好，很有志气。微微瘪嘴，却竭力忍住哭声，死死瞪着他。此处是秦大夫的居所，家有女眷，不便接待病患。