comparison-shop

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++comˈparison-ˌshop verb [intransitive]  to go to different shops in order to compare the prices of things, so that you can buy things for the cheapest possible price 〔购物时〕货比三家 —comparison shopping noun [uncountable]→ See Verb table

comˈparison-ˌshop verbChineseSyllable  

to compare different prices shops Corpus to order in the go to

comparison-shop
comˈparison-ˌshop verb [intransitive]
to go to different shops in order to compare the prices of things, so that you can buy things for the cheapest possible price
—comparison shopping noun [uncountable]