可引用的發言段落Citable transcript turn
#470484
講者：Speaker:
Last Christmas Day, relaxed rules so that now you only have to prove, you have the potential to contribute to science and technology.
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可引用的發言段落Citable transcript turn
講者：Speaker:
Last Christmas Day, relaxed rules so that now you only have to prove, you have the potential to contribute to science and technology.
j 下一段next turnk 上一段previous turn