shop around
US /ʃɑːp əˈraʊnd/
UK /ʃɑːp əˈraʊnd/

1.
货比三家, 比价
to compare the price and quality of the same or similar items in different stores before buying them
:
•
It's always a good idea to shop around before buying a new car.
买新车前最好先货比三家。
•
I need to shop around for the best deal on flights.
我需要货比三家才能找到最划算的机票。