Unverified50% confidenceFactExact time
该学生优惠宣传标注为'up to 4 years'（最长4年）有效期
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
8/26/2026
First Seen
Valid until: 9/9/2026(expired)
Sources
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https://kongchang.com/claim/806430API
curl https://kongchang.com/api/v1/knowledge/claims/806430MCP
get_claim(id=806430)