translation.en: Anything you do to improve your water quality or air quality, or to understand it or to change it, the benefits are enjoyed by anyone you share that water quality or air quality with.
translation.zh: 为了提高水的质量，空气质量， 或者更了解他们，改变他们 你所做的一切都在与其他人共享 你同大家一起分享好的水质，空气质量。