Definition
to lower or decrease the cost or price of an item
降低（价格）；削减（价格）；减少（价钱）
In an effort to boost sales, the store decided to roll back prices by 15%.
为了促进销售，这家商店决定将价格降低15%。
The company announced plans to roll back the price of the new product to attract more consumers.
该公司宣布计划降低新产品的价格以吸引更多消费者。
The economic downturn has forced many businesses to roll back service prices in order to retain customers.
经济衰退迫使许多企业降低服务价格以留住客户。