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2716In addition, 10,000 hours is not a promise that can be fulfilled. Some people misunderstand that one can definitely become a master after "10,000 hours". This is a misunderstanding. The real meaning is that all masters and masters must go through a long period of training and will not master XXX in 21 or 30 days. This is the difference between a necessary condition and a sufficient condition.后来看了陈启写的一部部小说，她开始感叹陈启的才华，钦佩陈启的才情。1. There are two options to manage the creation and destruction of state objects. The first is to create and then destroy state objects only when they are needed, and the other is to create all state objects from the beginning and never destroy them. If the state object is relatively large, the first method can be used to save memory, which can avoid creating some objects that will not be used and recycle them in time. However, if the state changes frequently, it is best to create all these state objects in the first place, and there is no need to destroy them, because they may be used again soon.Description:　　故事围绕一家名为“鲍勃汉堡店”的餐厅展开，讲述店主鲍勃一家和邻里之间的有趣故事。这次他们遇到了大麻烦，汉堡店门口塌陷出大坑，鲍勃和琳达还得继续维持餐厅的生意。与此同时，孩子们也正试图揭开一个能帮助挽救自家餐厅的谜题。