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　　格雷（罗根·马歇尔-格林 Logan Marshall-Green 饰）和女友艾莎（梅拉里·沃列何 Melanie Vallejo 饰）相恋多年，两人之间感情非常要好。一天，格雷带着艾莎去拜访一位名叫艾伦（哈里森·吉尔伯特森 Harrison Gilbertson 饰）的科学家，艾伦设计了人工智能芯片STEM，令艾莎叹为观止。Editor's Note: This article is transferred from WeChat's public number "KMCenter for Knowledge Management" (KMCenter). The author is Tian Zhigang, a well-known knowledge management expert, who is the author of "Your Knowledge Needs Management". The content of this article is the material of "How to Become an Expert". 36 Krypton is authorize to forward.杨长帆见水壶还冒着气儿，直接自行取了。　　但修直知道人总是要长大的要知道子房先生祖上累世韩相，是韩国臣子，如今韩王来了，自当侍奉身边，报效故国。This principle means that there are no methods in each interface that subclasses cannot use but must implement. If not, the interface must be split. It is better to use multiple isolated interfaces than to use a single interface (an interface where multiple interface methods are assembled into one).