可引用的發言段落Citable transcript turn
#400357
講者：Speaker:
…while keeping the social distance, so they did close for a while, but then a social innovation came.
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可引用的發言段落Citable transcript turn
講者：Speaker:
…while keeping the social distance, so they did close for a while, but then a social innovation came.
j 下一段next turnk 上一段previous turn