[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

腰凳设计越硬挺越省力(分担腰部压力),但硬腰凳体积大、外出携带不便且不适合新生儿;纯软背带便携贴身但长时间背负腰肩负担重

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80%
Confidence
Long-term
Relevance
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