What this does is measures all the stuff the Global Goals are trying to achieve, but sums it up into a single number that we can use as our benchmark and track progress over time.
这个工具的作用就是计算出 全球目标要达到的所有指标， 然后把他们组合起来变成一串数字 以便我们研究， 并且实时查出我们的进步。