For application software users and developers,the benefits of component software development -- namely reusability,reliability,interoperability and portability -- have largely remained elusive.

• 对于应用软件的用户和开发人员来说，组件软件开发的长处，即可重复使用性、可靠性、互用性和可移植性，在很大程度上仍是难以捉模的。