《左传·哀公·哀公二十七年》
于是就出兵救援郑国。
乃救郑。
So he sent troops to rescue Zheng.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 乃救郑。 [/INST] So he sent troops to rescue Zheng.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 乃救郑。
user
So he sent troops to rescue Zheng.
assistant