German phrase
Was denken Sie dazu?
Meaning
What do you think about that?
When to use it
It asks for someone's view. This polite form suits formal discussions and requests.
Example dialogue
Wir überlegen, ein Zimmer in der Nähe der Uni zu mieten.
We are considering renting a room near the university.
Was denken Sie dazu?
What do you think about that?