可引用的發言段落Citable transcript turn
#470064
講者：Speaker:
The control group is that you give them the same survey or you don't give them. It's a control. They get something out of it.
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可引用的發言段落Citable transcript turn
講者：Speaker:
The control group is that you give them the same survey or you don't give them. It's a control. They get something out of it.
j 下一段next turnk 上一段previous turn