Here is a question for you. What would you do with half bottle of water left? Option A: Throw it away; Option B: Keep it and drink later. What's your choice? B? That's nice.
It seems that all of you here today are water resource activists. I'm really happy to see that. Well done.
看来今天在座的各位都是水资源卫士，我很高兴看到这样。真棒！
Many people are not aware of this situation of water shortage. For example, let's have a look at this picture. According to the surveys, the total amount of bottled water wasted in one day globally can supply a million children for three days, maybe even longer. So clean water and sanitation is the 6th goal on the 2030 sustainable development agenda.
China has a popular saying: "绿水青山，就是金山银山." It means that water and land are our heritage and ultimate wealth. So I believe we can all make a difference in this world starting with saving (half) bottle of water.
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