Then the relative price of gold versus silver shifted to the point that the gold with at the twenty-one shilling exchange rate the gold shilling was worth less the gold guinea was worth less than twenty-one shilling.

之后，金子相对于银子的相对价格,就移动到另一个值,在二十一个先令的兑换率下,金先令价值少于,金几尼的价值少于了二十一个先令的价值。

耶鲁公开课 - 金融市场课程节选