所以如果你正依靠你的GPS进行驾驶导向，在电话地图工具上寻找方位或任何其它目的，在手边准备一后备导航系统吧，如打印的地图。
So if you're relying on your GPS for driving directions, to find your location on your phone's mapping tool or for any other purpose, have a backup navigation system handy, such as a printed map.
随着系统的演化，需要不同形式的测试工具，包括要能模仿或去除在黄金时间尚未准备好的部分。
As the systems evolve, there is the need for different forms of test harnesses, including the ability to mock or stub out parts that are not yet ready for prime time.
许多企业为运行应用程序，比如数据库、应用服务器、变更管理系统和缺陷跟踪工具，准备了一个硬件清单。
Many businesses have an inventory of hardware for running applications such as databases, application servers, change-management systems, and defect-tracking tools.
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