I use the term "natural" for the same reason Wicksell did-to try to separate the real forces from monetary forces.

我之所以用“自然”二字，是为了把货币因素与上述真实世界的各种因素区分开来。

youdao

"We concluded that the monetary forces that were arising in the world globally had become so overwhelming, relative to the resources of central banks, that we had effectively lost control of long-term interest rates and the forces directing higher prices and homes, " he said.

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And forces for monetary reform are very much in motion.

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So the central bank of the European Union, and the International Monetary Fund, joined forces to kick the problem down the road by providing loans that would allow Greece to make its upcoming debt payments.

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