Calls the super class init method.
调用超类的init方法。
It is normal for a standard class to be a super class.
标准类作为超类是正常的。
Of course you have to sacrifice the association between the super class and other classes.
当然你不得不牺牲超类与其他类之间的关联。
Of course you have to sacrifice the association between the super class and other classes.
当然你不得不牺牲超类与其他类之间的关联。
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