[KongchangAI]
Unverified50% confidenceFactExact time

美国运通的购物保护和争议交易机制设计初衷是应对欺诈性盗刷,而非用户自身授权服务产生的自动扣款

1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen

Sources

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MCP
get_claim(id=491985)