If there is a lot of similarity between the source and target, consider using Match Mapping to map the similar fields as a starting point for further customizations.

如果源和目标之间存在很大相似性，请考虑使用匹配映射来对类似字段进行映射，然后进行进一步的自定义。

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End-to-end latency is the time it takes from the point in time when an update occurs at a source table until that update is applied to the target.

端到端延时是指从源表发生更新到此更新应用到目标表所经历的时间。

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We can reset the starting point for the match mapping by creating a Local map between the destinations element in the source and the GetWeather element in the target.

我们可以在源的destinations元素和目标的Get Weather元素间创建一个Local map，从而重新设置匹配映射的开始点。

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