[KongchangAI]
Unverified72% confidenceTradeoffTime unknown

背包式收纳空间越大孩子越易接受(可装小零食玩具),但过大过重会压肩影响活动,1.5-3岁选背包净重≤300g、容量控制在小型款

1
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72%
Confidence
Long-term
Relevance
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