Article
檸檬之功用 - The funktions of lemon.

Column title: 常識 - Common Knowledge
Subject matters: 文章 - essay, 新知 - new knowledge,
Language level: Mixed

Keywords: practical instruction , lemon,

---

Article
幹洗 - Dry cleaning

Column title: 常識 - Common Knowledge
Subject matters: 文章 - essay, 新知 - new knowledge,
Language level: Mixed

Keywords: dry cleaning,

---