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Evidence that readers of Hacker News have compiled shows that many founders of Internet companies also acquire less than 10,000 hours of professional skills. In this book, the data used by Erickson is not the law of 10,000 hours either. Before the age of 18, students engaged in music education spent an average of 3,420 hours on violin training, while excellent violin students practiced an average of 5,301 hours and the most outstanding violin students practiced an average of 7,401 hours.做啥？翘儿不解问道。听了这话，虎子转头道：俺们最缺银子，俺们最应该吃鸡脚。The template method pattern defines the algorithm skeleton in an operation in an abstract class and delays the implementation of some specific steps to subclasses. The template method enables subclasses to redefine specific steps of the algorithm without changing the structure of the algorithm, thus achieving the effect of reusing codes. The specific structure diagram is shown below.1. In-flight motorized ships shall show:　　骄傲的帝王（姜文 饰）为解救被魔咒附身的女儿图兰朵（关晓彤 饰），遍寻天下能人破局。自小流浪到汗国的孤儿卡拉夫（迪伦·斯普罗斯 饰）与公主相遇并互相倾慕。因同情图兰朵的痛苦境遇，卡拉夫不惜以性命为代价解救心上人，然而却不知那魔咒与自己神秘的身世密切相关。此时的帝国王室因为魔咒掀起一场腥风血雨，嗜杀的将军（胡军 饰）欲凭借三色镯的力量谋权，君臣倾轧一触即发。每个人都面临着艰难选择，几方势力因为魔咒逐渐卷进了旋涡中心。