《史记·十二本纪·秦本纪》
由余笑着说： 这些正是中原各国发生祸乱的根源所在。
由余笑曰： 此乃中国所以乱也。
Youyu said with a smile: These are precisely the root causes of chaos in the Central Plains countries.
<s>[INST] Convert the following English text into Classical Chinese: Youyu said with a smile: These are precisely the root causes of chaos in the Central Plains countries. [/INST] 由余笑曰： 此乃中国所以乱也。</s>
Convert the following English text into Classical Chinese: Youyu said with a smile: These are precisely the root causes of chaos in the Central Plains countries.
user
由余笑曰： 此乃中国所以乱也。
assistant