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講者：Speaker:
I think the optimism stems from that I’ve been working on it for 25 years now, and I’ve seen many waves...
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可引用的發言段落Citable transcript turn
講者：Speaker:
I think the optimism stems from that I’ve been working on it for 25 years now, and I’ve seen many waves...
j 下一段next turnk 上一段previous turn