shop around

US /ʃɑːp əˈraʊnd/
UK /ʃɑːp əˈraʊnd/
"shop around" picture
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。