《太平广记·卷七十七·方士二》
几年后，张建被封镇守徐州，奏报李蕃为巡官校书郎。
后数年，张建封镇徐州，奏李为巡官校书郎。
A few years later, Zhang Jian was appointed as the garrison of Xuzhou, and he reported that Li Fan was the school official of the patrol officer.
<s>[INST] Kindly elucidate the central themes in this passage in English: 后数年，张建封镇徐州，奏李为巡官校书郎。 [/INST] A few years later, Zhang Jian was appointed as the garrison of Xuzhou, and he reported that Li Fan was the school official of the patrol officer.</s>
Kindly elucidate the central themes in this passage in English: 后数年，张建封镇徐州，奏李为巡官校书郎。
user
A few years later, Zhang Jian was appointed as the garrison of Xuzhou, and he reported that Li Fan was the school official of the patrol officer.
assistant