可引用的發言段落Citable transcript turn
#587772
講者：Speaker:
My name is Alvin, and I'm a first year in the student of the Harvard Kennedy School.
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可引用的發言段落Citable transcript turn
講者：Speaker:
My name is Alvin, and I'm a first year in the student of the Harvard Kennedy School.
j 下一段next turnk 上一段previous turn