He said his company deals with more than 60 farmers who continuously supply surplus raw material.

他说自己的公司与60多名不断供应过剩原材料的农民打交道。

And we also see, for the first time, the accumulation of material surplus – that is, more resources than are needed to feed the population.

我们还第一次看到物质过剩的积累——即超过养活人口所需的资源。

Starting about 5,000 years ago – with better farming techniques like the animal-drawn plow – we get more food production and an even bigger material surplus.

从大约 5,000 年前开始——有了更好的耕作技术，如畜力犁——我们获得了更多的粮食产量和更大的物质盈余。