In the history of economic thinking, William Petty is the first to realize that value originates from general Labour; namely, value is determined by Labour time.

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。

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Thanks to the advantageous CAD, product quality has been improved, labour, time and materials saved considerably and operational costs reduced.

提高了产品质量；节约了大量的人力、工时和材料，降低了成本。

youdao

Thanks to the advantageous CAD, product quality has been improved, labour, time and materials saved considerably and operational costs reduced.

提高了产品质量；节约了大量的人力、工时和材料，降低了成本。

youdao