复习一遍期权，顺便做一下笔记📒

原始 JSON

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  "content": "复习一遍期权，顺便做一下笔记📒\nhttps://image.nostr.build/66dfdbfddb5c8f64685cd89877dfc497b928a769c894de991c00fe1cb0818660.png",
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