German phrase
Worin unterscheidet sich ~ von ~?
Meaning
How does ___ differ from ___?
When to use it
This asks about differences. It neutrally invites a specific comparison.
Example dialogue
Worin unterscheidet sich Kaffee von Tee?
How does coffee differ from tea?
Kaffee hat mehr Koffein, Tee ist milder.
Coffee has more caffeine, while tea is milder.