[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

黑白卡使用有明确时效性,通常0-3月用纯黑白,3-6月过渡到红黑白/红白,6月龄后应换成彩色卡,购买时应选分月龄套装而非单一黑白卡,避免超龄后刺激不足

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85%
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Long-term
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https://kongchang.com/claim/285267
API
curl https://kongchang.com/api/v1/knowledge/claims/285267
MCP
get_claim(id=285267)