Programmers of imperative languages will be surprised by what you can do without flow control; they'll be even more surprised at how much easier many tasks are without it!
命令式语言程序员将对不使用流程控制就可以完成的工作而感到惊讶；如果不使用它，很多工作会更加简单，这将使他们更为惊讶！
Manageability - Business users are enabled by the it teams to have more direct control on the agile most frequently changed properties and this frees it of many maintenance tasks.
可管理性——IT团队使业务用户能够敏捷地直接控制最频繁变化的属性，而也减少了IT的许多维护任务。
The JobTracker, as the single control point for launching the MapReduce applications, decides how many TaskTracker and subordinate tasks to be created and then assigns each sub-task to TaskTracker.
JobTracker作为启动MapReduce应用程序的单一控制点，它决定应该创建多少个TaskTracker和子任务，然后把每个子任务分配给TaskTracker。
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