Unverified90% confidenceOpinionTime unknown
验证需求真实性的三个关键问题：用户是否在为问题付出成本、是否有替代方案（土办法）、方案能否让用户少一个步骤
1
Sources
90%
Confidence
Long-term
Relevance
5/31/2026
First Seen
Sources
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