Unverified95% confidenceFactTime unknown
FedEx标志中隐藏了箭头，是负空间设计的经典案例
1
Sources
95%
Confidence
Long-term
Relevance
5/31/2026
First Seen
Sources
Related Entities
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https://kongchang.com/claim/11990API
curl https://kongchang.com/api/v1/knowledge/claims/11990MCP
get_claim(id=11990)