The quantity of the finished work which they sell to the inhabitants of the country, necessarily regulates the quantity of the materials and provisions which they buy.

他们出售给本国居民的成品数量，必然决定了他们购买的材料和食品的数量。

Neither is the quantity of labour commonly employed in acquiring or producing any commodity, the only circumstance which can regulate the quantity which it ought commonly to purchase, command or exchange for.

获取或生产任何商品时通常使用的劳动量也不是唯一可以调节商品通常应该购买、支配或交换的数量的情况。