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对原油这样供给和需求缺乏弹性的商品,砝码的些许倾斜便会造成价格的大波动,而这一波动的源头恰恰来自于每年不过1%到2%的需求增长率变动。
A slight slack on the weight of commodities, such as crude oil, whose supply and demand are inelastic, can cause big price fluctuations at the source of just 1% to 2% annual growth in demand.