《三国志·魏书·韩崔高孙王传》
以前叔孙通任用很多盗贼，实在是有原因的。 
昔叔孙通用群盗，良有以也。 
There was indeed a reason why Shusun Tong employed many thieves in the past.
<s>[INST] Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 昔叔孙通用群盗，良有以也。  Updated: 以前叔孙通任用很多盗贼，实在是有原因的。  [/INST] There was indeed a reason why Shusun Tong employed many thieves in the past.</s>
Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 昔叔孙通用群盗，良有以也。  Updated: 以前叔孙通任用很多盗贼，实在是有原因的。
user
There was indeed a reason why Shusun Tong employed many thieves in the past.
assistant