lack of worldliness or sophistication
...Proud of her newly-acquired sophistication她因最近学得老成而自豪 Lack of worldliness or sophistication;naivet?单纯，天真无邪不谙事故，不问世事;天真无邪 Lacking experience or sophistication; naive.
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单纯，天真无邪不谙事故，不问世事；天真无邪Lack of worldliness or sophistication; naivet?
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