One professor of environmental engineering joked that in Taipei, you have to boil the water for an extra five minutes to make sure it is safe; in Kaohsiung, you have to boil it until it evaporates completely.
曾有環境工程教授開玩笑說，台北的水需要多燒開五分鐘才能讓有毒物質消除，至於高雄的水若要能安全飲用，卻得把水燒乾才行！