名词短语
中文翻译：商品价格同义词
同义词：
['cost', 'price', 'rate', 'value']
例句：
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1.The cost of living has increased significantly inrecent years.
近年来，生活成本显著上升。
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2.The price of oil has been dropping dueto global demand.
由于全球需求下降，油价一直在下跌。
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3. The rate of inflation isa key indicator of economic health.
通货膨胀率是经济健康的关键指标。