comparison shopping
noun/kəmˈpærɪsn ʃɒpɪŋ/
/kəmˈpærɪsn ʃɑːpɪŋ/
[uncountable] (especially North American English)- the activity of comparing prices for similar items in different shops and websites, in order to pay the least amount of money for something
比较购物：比较不同商店和网站上类似商品价格的活动，以便为某件商品支付最少的钱 - Be prepared to do some comparison shopping before you decide which TV to buy.
要货比三家，再决定买哪个电视。
- Be prepared to do some comparison shopping before you decide which TV to buy.