Unverified90% confidenceCautionTime unknown

夜间需要隐私的房间（卧室临街低楼层）不应仅依赖单向透视膜，须搭配窗帘，否则晚上开灯等于裸奔

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Unverified临街一楼或对楼间距近的房间，不建议只买浅色薄纱或半遮光帘，夜晚开灯后隐私几乎全暴露；应搭配全遮光内衬或改用双层帘88% similar Unverified夜间室内开灯后单向透视效果完全失效，室外可清晰看到室内，必须搭配窗帘使用才能保证全天隐私87% similar Unverified夜间室内开灯后单向透视效果反转，室外反而能看清室内，必须搭配窗帘使用才能保证全天隐私87% similar Unverified夜间室内开灯时隐私效果大幅下降，室外可看到室内人影轮廓，不适合对夜间隐私要求高的场景84% similar

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