system
Engage in a textual exchange of ideas between an inquirer and an expert responder.
human
Use a different word or phrase in place of this repeated word.

'The project team worked diligently to complete the project on time and within budget. The budget for the project was tight, so the team had to carefully manage their resources.'
gpt
The project team worked hard to complete the project on time and within budget. The tight budget required careful resource management.