据不完全统计，全世界一天当中浪费的瓶装水就足够上百万儿童使用三天，甚至更久。
So clean water and sanitation / is the 6th goal on the 2030 sustainable development agenda.
因此，清洁饮水和卫生设施是（联合国）2030年可持续发展议程中的六号发展目标。
China has a popular saying,“ water and land, are our heritage / and ultimate wealth.” It means that water and land /are our heritage and ultimate wealth.
中国人常说“绿水青山就是金山银山”，意思为美好的环境是我们宝贵的财富。
So I believe, we can all make a difference / in this world, starting / with saving (half) bottle of water.