In fact, the architect of our national accounting system, Simon Kuznets, in the 1930s, said that, " A nation's welfare can scarcely be inferred from their national income."

事实是，我国核算系统的创造者，Simon Kuznets在30年代就说：一个国家的福利是很难从收入上去推断的。

Simon Kuznets, he was asked in the 1930s by US Congress to come up, for the first time, with a single number to measure the output of the economy.

西蒙·库兹涅茨 (Simon Kuznets)， 他在 1930 年代被美国国会要求提出，这是第一次用一个单一的数字来衡量经济产出。

This number is called the Gross Domestic Product, or GDP, and it was invented by the economist Simon Kuznets in the 1930s, to try and gauge the size of an economy in a single, easy to understand number.

这个数字被称为国内生产总值， 或 GDP，它是由经济学家西蒙库兹涅茨在 1930 年代发明的， 目的是试图用一个简单易懂的数字来衡量一个经济体的规模。