# 4.Developing and Using Abstractions 培养和使用抽象技能
Overview: Abstractions are formed by identifying patterns and extracting common features from specific examples to create generalizations. Using generalized solutions and parts of solutions designed for broad reuse simplifies the development process by managing complexity.
概述: 抽象技能来源于模式识别以及提炼问题共性而创造通用方法. 使用通用方法和为广泛复用而设计的解决方案, 能够帮助我们简化解决复杂问题的开发过程.
By the end of Grade 12, students should be able to...
到 12 年级结束时，学生应该能够...