Notice that in this example the same execution of the step (edition 56) resulted in a failure and a success: the step first failed and went into retry mode, and was successful when it was retried.
请注意在本例中，步骤(edition 56)的相同执行却导致了一次失败和一次成功：该步骤首次失败了并且转入重试(retry)模式，而当它被重试时却成功了。
You commonly use execution highlighting in conjunction with single-step mode to gain an understanding of how data flows through nodes.
通常使用高亮显示和单步执行是为了了解数据流是如何通过节点的。
You can use the probe with execution highlighting and single-step mode to view values more easily.
使用探针高亮执行和单步执行模式，使观察数值变得更加容易。
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