同一时间、同一地点，不同商品之间的价格比例关系commodity price ratio

• 我们调整价格，主要是由于商品比价不合理。

  We have adjusted prices mainly because of unreasonable commodity price ratios.

• 本周，浙江省消保委公布了一份民生商品比价数据。

  This week, the Consumer Protection Committee of Zhejiang province published commodity price parity data about people's livelihoods.