German phrase
Wie umfangreich sollte ~ sein?
Meaning
How extensive should ___ be?
When to use it
Asks about required length. It is practical and understated when setting a document's scope.
Example dialogue
Wie umfangreich sollte die Literaturübersicht sein?
How extensive should the literature review be?
Circa zwanzig Seiten wären angemessen.
Around twenty pages would be appropriate.