Unverified85% confidenceTradeoffTime unknown
硬壳防护性与随身便携性矛盾：EVA硬壳抗压好但自重大、厚度固定占空间；软质收纳袋轻薄可压缩但保护性弱。频繁差旅选硬壳，轻装通勤选薄款软袋
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85%
Confidence
Long-term
Relevance
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First Seen
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