practical problem; practical matter
Refers to a real-world issue or concern, often contrasted with theoretical or ideal considerations.
Let's think about what to do as a practical matter, not just in theory.
The practical problem is that we don't have enough budget.
実際問題 is similar but often emphasizes actual, concrete situations rather than the contrast with ideals.
Compound of 現実 (reality) and 問題 (problem, issue).