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The Interface Segmentation Principle (ISP) means that it is better to use multiple specialized interfaces than to use a single total interface. That is to say, don't let a single interface take on too many responsibilities, but should separate each responsibility into multiple specialized interfaces for interface separation. Too bloated an interface is a kind of pollution to the interface.巫，继承了盘古血脉，身体强横无匹。原来是求顾涧帮忙的，板栗暗自点头。之所以守卫巨鹿城南，唯一做的就是为王离守御侧翼，输送粮草。苞谷早上睡得迷迷糊糊的时候，被抱上了车。Privileges.pyIn addition to the personal qualities of the citizens, The country's basic public facilities are also very humane, This little dog excrement storage bag, It is convenient for dog owners who forget to bring their storage bags in a hurry. They often see dog owners take them out when they pass by and then take their dogs to the river. No matter how good the regulations, systems and these public facilities are, they have to be implemented by someone, instead of being useless. They deeply sigh for the meticulous care of the managers and for people's self-discipline.