Hung Chien-te points out that people need water for all the body's living activities. Every day you need from 2,000 to 3,000 cc of water a day, which can be absorbed from eating vegetables and fruits or from what one drinks.
洪健德指出，人體一切生化活動都要在水中進行，每人每天所需水份約二千至三千 CC，可以由蔬菜、水果、飲水中攝取。