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这是至关重要的，因为它意味着高层次的认知发展。
This is crucial, because it implies a high level of cognitive development.
youdao
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它是更深层次的被了解和认知的标志。
It is an even deeper sign of being understood or known.
youdao
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它是更深层次的被了解和认知的标志。
It is an even deeper sign of being understood or known.
youdao