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#237896
講者：Speaker:
On the other hand, if people start learning arithmetic when they’re 20 years old, they can still learn it, right? It’s not rocket science.
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可引用的發言段落Citable transcript turn
講者：Speaker:
On the other hand, if people start learning arithmetic when they’re 20 years old, they can still learn it, right? It’s not rocket science.
j 下一段next turnk 上一段previous turn