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The market often likes to choose some especially brave and lucky people and award shining medals to them for their dancing. These people wore medals to receive the worship and applause of all, triumphant and confident. However, if we look at the fate of these warrior medal winners in history, we find that most of them were eventually thrown into the dustbin by the market. Courage + luck + pursuit, this is the curse of the market rather than a blessing.你曾经填写过在线调查吗？你想知道为什么你会收到你前一天研究的产品的广告吗？害怕。非常害怕。数据已经超过石油，成为世界上最有价值的资产，而且它正被用来发动文化和政治战争。我们正在为控制我们最私密的个人细节而斗争。尹旭摇摇头，章邯这支部队的厉害之处他是知道的，一度纵横各地，打得起义军抱头鼠窜。For interface programming, a lot of changes that may occur in the system in the future can be isolated. Why? If the code is written for an interface, he can implement the interface with any new class through polymorphism. However, when the code uses a large number of specific classes, once new specific classes are added, the code must be changed. Violating the opening and closing principle.Newspapers published, printed and distributed by the state on the day people are born are used as birthday gifts because of their cultural significance. All kinds of "Life Daily" are brought together by many collectors and given to people celebrating their birthdays as a creative birthday gift. Life Daily is a commodity with commercial value and cultural value of "feeling the beginning of life". "Sheng Daily" is a local newspaper published on the day of birth, so it can tell him or her in detail what happened at home and abroad at the time of birth, the political, economic, social and even weather conditions at that time.