Methodologically, the lesson from the Jones-Klenow research is that economic welfare is multi-dimensional.

从方法论上讲，琼斯-克莱诺研究给我们的教训是，经济福利是多维度的。

But when someone's hungover, you can ask them how much they drank, but you don't know if that's accurate. So it's trickier methodologically.

但当有人宿醉时，询问这些人喝了多少酒，但却无法知晓他们说的是否准确。所以在方法上比较难处理。