名词
中文翻译：相对价格指数
同义词：
['relative price', 'relative price ratio例句：1. The relative price index has been rising steadily over the past year.（过去一年里，相对价格指数一直在稳步上升。）']
例句：
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1. The relative price index has been rising steadily over the past year.
过去一年里，相对价格指数一直在稳步上升。
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2.The relative price index is a measure of how prices change compared to each other.
相对价格指数是一个衡量价格变化相对于彼此的指标。
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3.The relative price index can help investors make informed decisions about where to invest their money.
相对价格指数可以帮助投资者做出明智的投资决策。