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这种软硬件结合的思路，与华为纯靠软件识别并停止通知的方案有着本质区别。三星的方案适用场景更广，也更加优雅。这项技术一旦落地落地普及，那些严重影响观感的防窥膜几乎可以被彻底淘汰了。
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Трамп высказался о непростом решении по Ирану09:14
`@receiver isNil ifTrue: `@nilBlock -> `@receiver ifNil: `@nilBlockIn fact, both versions work—but they apply different filters to the target node. Try to remember which one.