水是生命之源。科学研究表明,人体重的70%是水分,它是维持人体生理与新陈代谢活动的重要物质。人可以几天不吃饭,但不能几天不喝水。喝什么样的水,水质的好坏,对人体的健康和寿命有着直接的影响。对于全球67亿人来说,并不是人人都能喝上安全的饮用水,特别是对于生活在发展中国家数 Water is the source of life. Scientific research shows that 70% of human body weight is water, which is an important substance for maintaining human physiology and metabolic activity. People can not eat for a few days, but they can’t drink for a few days. What kind of water to drink, the quality of water quality, has a direct impact on human health and longevity. For the 6.7 billion people around the world, not everyone can drink safe drinking water, especially for living in developing countries.