Water is useful. We drink water every day. We use water to brush our teeth and wash our face. We use water to do many other things. People can't live without water. But in many places, there is not much water. So we should save water. We can reuse water. After rinsing(冲洗) rice or washing hands, we can reuse the water to mop the floor and water flowers.
We can do many things to save water. Let's take action from now on.