这些既不是次品也不是无牌货，而是质量一流的产品。

These are not seconds, or unbranded goods, but first-quality products.

《柯林斯英汉双解大词典》

Oozie工作流是放置在控制依赖DAG（有向无环图 Direct Acyclic Graph）中的一组动作（例如，Hadoop的Map/Reduce作业、Pig作业等），其中指定了动作执行的顺序。

Oozie workflow is a collection of actions (i.e. Hadoop Map/Reduce jobs, Pig jobs) arranged in a control dependency DAG (Direct Acyclic Graph), specifying a sequence of actions execution.

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我们当然不应该期望另一种事件流是无移漏的。

We should certainly not expect the alternative flow of events to be exhaustive.

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