It is well-known that water is indispensable in existing, in producing and in living. And we should not waste of a drop of water. 众所周知，在生产和生活中水是必不可少的。我们不应该浪费一滴水。

It is well-known that water is indispensable in existing, in producing and in living. And we should not waste of a drop of water.

众所周知，在生产和生活中水是必不可少的。我们不应该浪费一滴水。

First, water is definitely important for life. As is known to us all, water is necessary to support life. Without water, human beings, animals and plants cannot exist at all.

首先，水对生命是非常重要的。众所周知，水是维持生命所必需的。没有水，人类，动物和植物都不复存在。

Second, water is also significant for producing. For one thing, industrial production needs a lot of water, such as using water to generate electricity. For another, agricultural production is also in need of water, especially in irrigation.

第二，水对于生产也具有重要的意义。一方面，工业生产需要大量的水，如，用水发电。另一方面，农业生产也需要水，特别是在灌溉方面。

Finally, water is indispensable in life. In our daily life, we are not able to finish many things without water, such as cooking and washing.

最后，水在我们生活中是不可或缺的。在我们的日常生活中，没有水，很多事情我们都无法完成，如做饭、洗衣服。

To sum up, water is absolutely significant for our living, for producing and for living. Therefore, we need to make full use of each drop of water and form a habit of saving water.

总之，水对我们的生存，生产和生活是非常重要的。因此，我们要充分利用每一滴水，养成节约用水的习惯。