translation.en: Now, I looked at a number of kettles available on the market, and found the minimum fill lines, so the little piece of information that tells you how much you need to put in there, was between two and a five-and-a-half cups of water just to make one cup of tea.
translation.zh: 我看过市场上一些电水壶 找到最小水量线 这一小块信息告诉你 你需要倒多少水进去， 这个量通常在两杯和五杯半水之间 仅仅为喝上一杯茶。