Uniquely among traded commodities, from the mid-1980s prices were to be set once a year, based on the latest year's relationship between supply and demand.
非常特殊的是，从二十世纪八十年代中期开始，铁矿石的价格会基于去年的供求关系每年确定一次。
2
As share prices of retail stocks decline, retailers will begin to rapidly increase their prices by mid-2011.
随着零售类股票价格的下跌，零售商将在2011年7月前开始迅速提高价格。
3
As share prices of retail stocks decline retailers will begin to rapidly increase their prices by mid-2011.