If import tariffs are weighted by the volume of trade in each product, the average faced by exporters from outside the EU into the single market has fallen to around 3%.

如果以各种商品的交易量来衡量进口关税，那么欧盟之外的出口商进入统一市场所面临的平均关税大约下降了3%。

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A measure of the price at which the majority of a given day's trading in a given security took place. Calculated by taking the weighted average of the prices of each trade.

测量一天中一只股票发生交易的大部分交易价格的一种方法，计算每一笔交易价格的加权平均值后得出的结果。

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This is a weighted average of short-term interest rates, corporate-bond yields, share prices and the trade-weighted dollar, with the weights derived from the Fed's model.

ECONOMIST: Is monetary policy less effective these days?

For example, the Goldman Sachs monetary-conditions index (based on a weighted average of short-and long-term interest rates and the trade-weighted exchange rate) suggests that America's monetary policy is currently at its tightest since 1989, largely reflecting the strong dollar.

ECONOMIST: The stockmarket economy