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Girls who are afraid of the cold in winter and like to wear pantyhose must have a deep understanding. Because they are not close enough, socks are often stacked on their calves, forming ugly folds. What is more embarrassing is that because they are too thick, it is difficult to put their feet into shoes.大陆卧底公安巩伟因上司的命令，假扮罪犯，和大陆抓获的香港黑道分子小黑一同逃跑，踏上了远赴香港甫光团伙卧底的旅途。巩伟与甫光团伙在炸弹交易中黑吃黑，混战中搭救了香港督查方逸华，并凭借出色身手得到了甫光的信任。方逸华来到北京调查巩伟身份，获知真相，并在巩妻去世后带领巩固至香港寻父，方逸华上司将巩伟巩固父子身份暴露，使巩伟处境危险，而此刻甫光策划的拍卖抢劫行动亦迫在眉睫Common shortcut keys:One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.一阵哄闹喧嚷过后。一支中国援外医疗小分队，为履行职业使命来到南太平洋的一座小岛上，谁知刚落地就碰到百年一遇的天灾，一场与时间赛跑的救援行动正式展开，这群医务工作者们却万万没想到，他们在这座小岛上不仅要圆满完成救援任务，也即将揭开一场巨大的阴谋。与此同时，黑须鬼倭一声狂吼，发起了最后亡命的冲锋。