https://tw.news.yahoo.com/%E6%9F%AF%E6%96%87%E5%93%B2%E9%9A%A8%E6%89%88-%E7%A7%98%E6%9B%B8%E9%81%AD%E7%B4%84%E8%AB%87-%E6%9F
https://youtu.be/yGwVZXGm6r8?si=iVapkFoby-09MvEd
案例如下: 我想應該是樓上或是樓下的住戶在廁所抽菸,不過樓下的機會大一些,因為菸味應該是向上飄的從管道間傳到我家來,大樓也貼
https://udn.com/news/story/6656/8256282
https://udn.com/news/story/6811/8251876