German phrase
In welcher ~ muss bezahlt werden?
Meaning
Which ___ do I have to use to pay
When to use it
Asks where payment is due. It is neutral and slightly polite when several lines or counters exist.
Example dialogue
In welcher Schlange muss bezahlt werden?
Which line do I have to pay in?
Dort vorne an der Kasse, bitte.
At the checkout up ahead, please.