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正確に言うと， 正確にいうと， せいかくにいうと
1. to be precise, to be accurate, strictly speaking
严格说的话……
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
