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.
如果你要估算一個國家所擁有的資本，有兩種方式。一種是走遍全國各地，清點房屋、橋樑、工廠、商店和辦公樓的數量，然後加總計算它們的價值。另一種是敲開門，詢問人們的財產情況。國家統計部門通常兩種方式都用，儘管不是照此字面上那樣做。
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