[KongchangAI]
Unverified83% confidenceFactTime unknown

Costco自有品牌Kirkland和山姆Member's Mark为核心竞争力,同规格商品单价通常低于品牌货20%-40%,是仓储超市性价比的主要来源,而非普通品牌商品折扣

1
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83%
Confidence
Long-term
Relevance
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