noun
dual pricing system
A system where the same product or service is sold at two different prices, often based on customer segment or channel.
この店では二重価格制を採用し、会員と非会員で料金が異なる。
This store uses a dual pricing system, with different rates for members and non-members.
Compound of 二重 (double) + 価格 (price) + 制 (system).