不必要求用户执行部署后配置步骤，更好的方法是构造动态的虚拟映像。
Instead of requiring users to perform post-deployment configuration steps, it is better to construct dynamic virtual images.
即使我们取代硬件，迁移到虚拟的执行机器上，管理测试构造和协作也会有高代价的风险。
Even when we replaced our hardware and migrated to virtual execution machines, the challenges of managing test configuration and coordination were costly.
要构造一个屏幕保护程序，最好的方式就是为其配置一个虚拟的光驱、键盘、屏幕和鼠标，但是不需要虚拟磁盘和网络适配器。
To construct a screensaver, the best way is to configure it with a virtual CD-ROM drive, keyboard, screen, and mouse, but without any virtual disks or network adapter.
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