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Lectures were sometimes repetitive or obvious, but occasionally, they provided new insights."
讲座内容有时重复或明显，但是偶尔会提出新的观点“
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$firstVoiceSent
- 来自原声例句
Lectures were sometimes repetitive or obvious, but occasionally, they provided new insights."
讲座内容有时重复或明显，但是偶尔会提出新的观点“
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