The results showed that unit pricing system in waste charging has a great advantage over fixed rate system in terms of environmental benefits and equity.

将福州市生活垃圾收费制度与台北市生活垃圾收费制度进行比较，结果表明：垃圾收费从量制在环境效益与公平方面优于定额制。

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The SDR was created in 1969, during the Bretton Woods fixed exchange-rate system, because of concerns that there was insufficient liquidity to support global economic activity.

SDR始创于1969年，当时正处于布雷顿森林固定汇率体系中。创立其目的是为了解决当时支持全球经济活动资金流动性不足的问题。

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The 1930s gold standard was a fixed exchange rate system in which deficit countries were required to adjust by way of deflation rather than devaluation.

上世纪30年代实行的“金本位制”是一种固定汇率制度，赤字国家必须通过通缩、而非汇率贬值的方式进行调整。

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SDRs were created in 1969 to support the Bretton Woods fixed exchange rate system.

FORBES: What Happens in a World Without Dollars?

If a country does not improve its fiscal policy, a fixed-rate system may simply store up trouble.

ECONOMIST: Exchange rates

But then, President Nixon took the dollar off that fixed exchange rate system, and it's very hard to imagine how we could go back there now.

NPR: Global Summit Takes On Economic Turmoil