translation.en: Each increment gets a serial number and a certificate, and then the brewers and others buy those certificates as a way to return water to these degraded ecosystems.
translation.zh: 每个等份有一个序列号和一个证书， 接着啤酒厂和其他人 购买这些证书， 作为向退化的生态系统 注入水源的一种方式。