translation.en: As food became plentiful here, it also meant that we were able to decrease the number of people working in agriculture to something like, on average, in the high income countries, five percent or less of the population.
translation.zh: 当这里的食物变的十分丰富的时候， 这也意味着我们可以降低 从事与农业有关的人员数量， 平均算下来，在高收入国家， 只占人口的5%或更少。