The focus of this testing centered around the Job Servers.
测试的重点围绕Job Servers进行。
2
It's your job as a manager to take steps to ensure that employee focus remains centered on the goals and not on other matters that are less important but momentarily more pressing.
身为管理者，你的工作就是确保员工把精力放在目标，而不是那些紧迫而琐碎的事情上。
3
Processing in Elastic MapReduce is centered around the concept of a Job Flow.