Article
理髮時之常識 - The common knowledge during haircut

Column title: 常識 - Common Knowledge
Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: suggestion,

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Article
揩玻璃窗法 - How to clean glass windows

Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: general knowledge, suggestion,

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