事实上，“长庆”纪年有误，这段材料的主人公“李千里”是揭开谜底的关键。
In fact, the record of Changqing Year is erroneous, and the protagonist "li Qian-li" in the data mentioned above is the clue to the correct answer.
事实上，“长庆”纪年有误，这段材料的主人公“李千里”是揭开谜底的关键。
In fact, the record of Changqing Year is erroneous, and the protagonist "li Qian-li" in the data mentioned above is the clue to the correct answer.
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