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Considering performance, the whole program only needs to create an instance once, so performance will not have any impact.　　这五个人中每人都有一个故事。博比-沙特弗德刚刚与妻子离婚，他需要向帮他打官司的律师支付律师费，同时，他也需要钱和新女友共同营造新生活；戴尔-墨菲是一个捕鱼能手，他需要钞票来抚养和他日益疏远的妻子和女Deliberate practice does not deny the importance of situation, but in some best sellers, the mainstream methods that have been confirmed by learning science are placed in a humble corner. Tacit knowledge, which is closely related to learning, is ignored. A large number of studies in learning science show that the best way for adults to learn is not to practice alone, but to learn in situations. Effective learning is to enter relevant situations and find one's own "learning community". At the beginning, learners turn around important members and do some peripheral work. With the growth of skills, they enter the core of the learning community circle, gradually do more important work and eventually become experts.Some of the resources of this site come from the Internet. For the purpose of transmitting more information, the copyright of this site reprints belongs to the original author or the source organization. If the reprinted manuscript involves copyright issues, please contact us.何以今日又会这般明亮？尹旭轻轻摇摇头，将信将疑。