[KongchangAI]
Unverified80% confidenceCautionTime unknown

不建议为'保值/投资'目的购买品牌镶嵌钻石首饰:品牌溢价和加工费占比高,二手回收通常仅按裸钻/黄金克重折价,回购率往往低于购入价的一半

1
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80%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/102623
API
curl https://kongchang.com/api/v1/knowledge/claims/102623
MCP
get_claim(id=102623)