《资治通鉴·唐纪·唐纪三十七》
庚寅，骨啜特勒等辞别，返回行营。
庚寅，骨啜特勒等辞还行营。
On Geng Yin day, Gu Chu Te Le and the others bid farewell and returned to their camp.
<s>[INST] Kindly elucidate the central themes in this passage in English: 庚寅，骨啜特勒等辞还行营。 [/INST] On Geng Yin day, Gu Chu Te Le and the others bid farewell and returned to their camp.</s>
Kindly elucidate the central themes in this passage in English: 庚寅，骨啜特勒等辞还行营。
user
On Geng Yin day, Gu Chu Te Le and the others bid farewell and returned to their camp.
assistant