Phrases Phrases for Problem-Solving

What's the root cause?

B1

Meaning

What is the fundamental reason for the problem?

Example sentences

John: The project is behind schedule.

Alice: Why is that? What's the root cause?

John: We underestimated the complexity of the task. Therefore, what's the root cause? We need to have more realistic estimates.

Alice: Agreed. Let's implement a better planning process.