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但是，我们医者，无论有多大的把握，都不能这样告诉人。娘巴不得你自个找个媳妇回来，省得娘操心。板栗继续耳语道：当然是真的。经典功夫喜剧系列电影《龙威小子》故事未完，YouTube Red 打造续集影集《Cobra Kai》正式预告上线。34 年前在《龙威小子２》展开世纪对决的丹尼尔与强尼，时隔多年将再度交手，当时饰演两人的雷夫·马奇欧（Ralph Macchio）与威廉·萨巴卡（William Zabka）回归演出相同角色。《Cobra Kai》故事背景设定在《龙威小子３》的 30 年后，丹尼尔成为汽车经销商，有著完美的家庭。他的高中死对头强尼则是经营空手道道场 Cobra Kai,，试图在多年前的失败中找到救赎。当这两位对手再度交会，多年前的战火再度燃起。Traditional security is a constant stack of security devices, security products, Later, in order to make better use of these secure infrastructure resources, Defence-in-depth emerged, Take the layer as an example, Layer by layer, Defense from the outside to the inside, However, security problems emerge one after another. It also shows that this still cannot well ensure the safety of the organization. Safety is a growing problem, which cannot be solved by one-time deployment. Safety problems not only come from external and internal damages, but also are not rare intentionally or unintentionally. Therefore, the focus should be on sparse, starting from three aspects: detection, emergency response and process.