If you want to measure the capital possessed by a nation, there are two ways of doing it. One is to travel the length and breadth of the country counting the houses, the bridges, the factories, shops and offices, and adding up their total value. The other is to knock on doors and ask people how rich they are. National statistics offices typically do both of these things, though not literally in this way.
如果你要估算一个国家所拥有的资本，有两种方式。一种是走遍全国各地，清点房屋、桥梁、工厂、商店和办公楼的数量，然后加总计算它们的价值。另一种是敲开门，询问人们的财产情况。国家统计部门通常两种方式都用，尽管不是照此字面上那样做。
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