market price what‘s the market price for the (sth)?1 而且,产品的价值是基于市场价格的,但是,并不是每样东西都有价格。Moreover, the value of production is based on market prices, but not everythinghas a price.2.那是天然气的世界价格,为何我们要低于世界市场价格出售给他们?There are world prices for gas. Why should we sell to anyone below the world-market prices?