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你每天都在用ChatGPT或其他AI工具嗎？如果你以為付費版AI一定比免費版準確，那你可能要重新思考了！哥倫比亞大學最新研究發現了一個驚人事實：AI搜尋工具可能比你想像的更「不可靠」。

本週《英語咖啡館》John老師和《電商讀書會》的Lydia老師、Cariya老師要來揭露AI搜尋背後的真相，包括為什麼付費版AI有時表現更差、什麼是「AI幻覺」現象，以及如何聰明使用這些工具而不被誤導。

Do you use ChatGPT or other AI tools every day? If you think paid versions of AI are always more accurate than free ones, you might want to think again! A recent study from Columbia University has revealed a surprising truth — AI search tools may be more unreliable than you think.

In this week’s episode of English Café, I teamed up with Lydia and Cariya from ECX study group to uncover what’s really going on behind AI-powered search — including why paid AI tools sometimes perform worse, what the term “AI hallucination” means, and how to use these tools smartly without being misled.