German phrase
Müssen die Waren ~ sein?
Meaning
Do the goods have to be ___?
When to use it
This asks about a requirement. It sounds clear and matter-of-fact.
Example dialogue
Müssen die Waren unbeschädigt sein?
Do the goods have to be undamaged?
Ja, sie müssen unbeschädigt sein, sonst reklamieren wir.
Yes, they have to be undamaged, otherwise we will file a complaint.