() ( I/O) relating to information passing into and out of a computer, computer system, etc. or the devices that control this process 输入／输出◆the basic input/output system of your computer 你的电脑的基本输入／输出系统
() used to describe a method of analysing the economy of an area that considers the relationships between different parts of the economy and how changes in the amount that one part produces affects what happens in others 投入─产出◆an economic input/output model of the United States 美国经济的投入─产出模型