The money quantity theory claimed that money is exogenous from the relation of money quantity and aggregate price fluctuation;

货币数量论从货币数量与物价变动的关系得出货币具有外生性；

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Thus was born the quantity theory of money, which has survived to this day.

货币数量理论由此诞生，并一直延续至今。

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The quantity theory of money was the foundation of the gold standard.

货币数量学说①是金本位制的基础理论。

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The quantity theory of money holds that the money supply, multiplied by the rate at which it circulates (called velocity), equals nominal income.

ECONOMIST: Economics focus

In theory, a discretionary central bank could limit the quantity of money and achieve long-run price stability by controlling the growth of nominal final demand.

FORBES: The Federal Reserve's Flawed Approach To Monetary Policy