() ( FIFO) a method of stock control in which the first goods or raw materials bought or produced are the first ones used or sold先进先出法（存货控制方法，先购买或生产的产品或原材料先使用或出售） () ( FIFO) a method of valuing supplies of goods or units of raw materials based on the idea that the first goods bought or produced are the first ones used or sold. The value of goods left at the end of the year is based on the most recent prices.先进先出法（产品或原材料的估价方法，先购买或生产的先行使用或出售，年末存货额按市价计算） () used, for example in a situation when people are losing their jobs, to say that the first people to be employed will be the first to go先进先出（如先受聘者先遭解雇） () used to describe a system where the data that is received first is the first to be processed先进先出（先收到的数据先处理的系统）➡last in, first out