With a given Labour force there is a definite limit to the quantity of Labour embodied in roundabout processes which can be used to advantage.

在劳动力的数量给定时，体现在能够被用于有益于迂回生产过程的劳动数量是有限的。

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And the quality of Labour has been even more important than the quantity.

劳动的质量要比数量更加重要。

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A twelfth part of the Labour of making a plough is an appreciable quantity.

制犁劳动的十二分之一还是-可觉察的数量。

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What a given level of income means for the quantity and quality of Britain's jobs depends not on the EU but on how our labour market works.

BBC: EU costs and benefits: an impossible balancing act