Further, in order to practice CI speed is of the essence; however, the staged build approach reruns the same compilation several times when running different tests with each build.

• 更进一步的，为了实践持续集成，速度是绝对很重要的；然而阶段式的构建方法，在一次构建中运行不同测试的时候，需要运行多次同样的编译。