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講者：Speaker:
I developed gold-silver toner. It print decorative art. It will be, sometimes, so many gold used for that museum, like…
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可引用的發言段落Citable transcript turn
講者：Speaker:
I developed gold-silver toner. It print decorative art. It will be, sometimes, so many gold used for that museum, like…
j 下一段next turnk 上一段previous turn