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Let me show you on this chart.
我來給你們看下這張圖。
So here on the vertical axis, I've put social progress, the stuff the Global Goals are trying to achieve.
我把社會進步放在這張圖的縱軸上，這就是全球目標要努力實現的東西。
Higher is better. And then on the horizontal axis, is GDP per capita.
越高越好。在橫軸上的是人均國內生產總值。
Further to the right means richer.
越靠右邊說明越富有。
And in there, I'm now going to put all the countries of the world, each one represented by a dot,
在這個區域中我要把世界上所有的國家放在里面，每個國家用一個點來代替，
and on top of that I'm going to put the regression line that shows the average relationship.
在這些點上面我會繪制一條回歸曲線，來表現兩個變量間的平均關系水平。
And what this tells us is that as we get richer, social progress does tend to improve.
這條曲線告訴了我們越富有，社會進步就越趨于增長。
However, as we get richer, each extra dollar of GDP is buying us less and less social progress.
然而，當我們不斷變富時，國內生產總值中每一額外美元可以換來的社會進步值卻越來越少。
And now we can use this information to start building our forecast.
現在我們就可以用這些信息來進行我們的預測了。
So here is the world in 2015. We have a social progress score of 61 and a GDP per capita of $14,000.
2015年的世界，我們的社會進步得分是61分，人均國內生產總值是14000美元。
And the place we're trying to get to, remember, is 75, that Global Goals target.
我們要努力到達的那個全球目標的分數，還記得吧，是75分。
So here we are today, $14,000 per capita GDP.
那我們現在的人均國內生產總值是14000美元。
How rich are we going to be in 2030? That's what we need to know next.
到2030年我們會變得多富呢？這就是我們接下來想要知道的了。
Well, the best forecast we can find comes from the US Department of Agriculture,
我們可以找到的最好的預測是美國農業部做的，
which forecasts 3.1 percent average global economic growth over the next 15 years,
他們預測出了未來15年內3.1%的全球平均經濟增長走勢，
which means that in 2030, if they're right, per capita GDP will be about $23,000.
這意味著如果它們是準確的話，到2030年，人均國內生產總值會達到大約23000美元。
So now the question is: if we get that much richer, how much social progress are we going to get?
那現在的問題就是：如果我們變得那么富有了，我們的社會進步會得到多少分呢？
Well, we asked a team of economists at Deloitte who checked and crunched the numbers,
我們咨詢了德勤事務所里的經濟學家，他們仔細地檢查和研究了這些數字后，
and they came back and said, well, look: if the world's average wealth goes from $14,000 a year to $23,000 a year,
回來告訴了我們，來，看：如果世界平均財富從一年14000美元漲到一年23000美元，
social progress is going to increase from 61 to 62.4.
社會進步得分會從61分漲到62.4分。
Just 62.4. Just a tiny increase.
真的是62.4分。僅僅增加了一點兒。
