In fulfilling its role as the medium of exchange, money just facilitates the flow of goods and services.

货币在实现其作为交换媒介的功能的时候，只是促进了商品和服务的流动。

youdao

As a generally accepted medium of exchange, money rules out the need for barter, the direct exchange of one item for another.

因为一般人都把金钱当然交易媒介，这就不必再进行物物交换了，即不必再以一种商品去交换另一种商品了。

youdao

People just refuse to accept money. Suddenly, there is no medium of exchange.

人们拒收货币，突然，没有了交换媒介，市场崩溃。

youdao

This left even less gold and silver to exchange for the huge amounts of paper money the banks had issued.

VOA: special.2009.01.01

All of them produced large amounts of paper money -- many times the amount they could exchange for gold or silver.

VOA: special.2009.01.01

It refused to accept the notes, or paper money, of these banks, unless the state banks were ready to exchange the paper for gold or silver money.

VOA: special.2009.01.01

Only a relatively small amount of money crosses the exchange as a result of currency speculation ie, betting on future trends.

ECONOMIST: Further to fall? | The

In addition, others pointed to the inflows of money into gold exchange-traded funds in November as evidence of investor interest in having exposure to gold.

FORBES: Connect

To paraphrase Adam Smith, the sole purpose of money is to facilitate the exchange of goods.

FORBES: Talk Of the Euro's Coming Demise Is Greatly Exaggerated