The law of value is determined by socially necessary Labourtime.
价值规律是商品价值由社会必要劳动时间决定的规律。
2
In the history of economic thinking, William Petty is the first to realize that value originates from general Labour; namely, value is determined by Labourtime.
在经济思想史上，威廉·配第是最先认识到价值起源于一般劳动，即由劳动时间决定价值的。
3
However, the process took a long time and was labour-intensive.