Supermarket of self-supporting sex building materials is plain code marks a price commonly, but many stall makes the market basic bargain is managed, consumer must oneself and businessman argy-bargy.

• 自营性建材超市一般都是明码标价，但大量的摊位制市场则基本都是议价经营的，消费者必须自己和商家讨价还价。