虽然我们有很多方面能向发达国家那里学习，但他们也应该在某些方面向我们学习，比如，节约用水。
While we can learn many aspects from developed nations, they also should learn something from us, such as water conservation.
如果我们想要有足够的水来维持生命，我们都应该节约用水。
We should all save water if we want to have enough to stay alive.
我们应该在日常生活中节约用水。
当然。我非常喜欢公益广告。这些广告提醒我们应该关心和关注的事情，比如：节约用水等。
Sure. I am most interested them. Non-profitable advertisements remind us of something we should concern and focus on, such as water-saving etc.
我们不应该随便仍垃圾，不破坏我们周围的植物，节约用水，节约能源等。
We should not throw rubish casually, do not destroy the planting around ourseves, save water, save energy and so on.
所以，我们都应该积极采取措施节约用水，这关系到我们未来几代人和权益和义务。
So, all of us should actively take actions to save water. It's our obligation for the benefit of thefuture generations.
我们应该养成节约用水的习惯，尤其是在我们刷牙、洗手时应决不让不必要的水流走。
We should form the habit of saving water, especially when we brush our teeth and wash hands, and never leave water running unnecessarily.
首先，我应该让我们北京的环境变得更好，我可以节约用水、电和纸，按类放置垃圾，积极传播环保知识。
First, I should make Beijing's environment to grow better, I can save water, electricity and paper, place garbage by classifying it, actively spread the knowledge of environmental protection.
首先，我应该让我们北京的环境变得更好，我可以节约用水、电和纸，按类放置垃圾，积极传播环保知识。
First, I should make Beijing's environment to grow better, I can save water, electricity and paper, place garbage by classifying it, actively spread the knowledge of environmental protection.
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