knowledgeable customer
货卖识家
sell to a discerning customer
只要东西好，不怕没识家。
As long as your products are good you don't have to worry about your customers.
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。