retail channels的用法和樣例：
例句
- Packaging for national brands has to be tweaked for various retail channels.
包裝的民族品牌已成為調整各種零售渠道。 - For a supply chain with a supplier and a retailer, this paper studies the optimal retail price and wholesale price for supply chain coordination.
摘要針對供應商和零售商組成的供應鏈，研究單零售渠道下的定價以及供應鏈協調的批發價策略。
