節約用水不僅是中國人需要做的事情，節約用水需要全世界的人共同努力，即使是英語的節約用水我們也是同樣可以說好的。
1. economize on water; save on water
節約用水
2. Conservation of water is of great importance.
節約用水非常重要。
3. We must economize on water.
我們必須節約用水。
4. The government is appealing to everyone to save water.
政府號召大家節約用水。
5. Please economize the water, thanks for cooperation!
請節約用水謝謝合作!
6. Saving water is to cherish life.
節約用水就是珍惜生命。
7. The power enterprises shall economize on water.
電力企業應當節約用水。
8. Everyone has the accountability to save water and to propagate the concept of treasuring water.
每個人都有責任節約用水，並宣傳節約用水。
9. We have to economize on water during the dry season
我們在旱季不得不節約用水
10. We must conserve water during the drought.
乾旱期間我們必須節約用水。