貨比三家不吃虧 [ㄏㄨㄛˋ ㄅㄧˇ ㄙㄢ ㄐㄧㄚ ㄅㄨˋ ㄔ ㄎㄨㄟ; huo4 bi3 san1 jia1 bu4 chi1 kui1] shop around first and you won't get ripped off (idiom) ◄ ►