软件复用是在软件开发中避免重复劳动的解决方案，使得应用系统的开发不再采用一切“从零开始”的模式，而是在已有的工作为基础，充分利用过去应用系统开发中积累的知识和经验，从而将开发的重点集中于应用的特有构成成分上。

-Software reuse is to avoid duplication of effort in software development solution that enables the development of applications is no longer using everything " from scratch"　mode, but is based on the existing work, take advantage of application development has accumulated over the past knowledge and experience, which will focus on developing applications focused on the unique constituents.