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#476166
講者：Speaker:
That's helpful. Of course, the natural question is [laughs] who maintains the pro-social structure, and where did this come from?
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可引用的發言段落Citable transcript turn
講者：Speaker:
That's helpful. Of course, the natural question is [laughs] who maintains the pro-social structure, and where did this come from?
j 下一段next turnk 上一段previous turn