For example, if a mapping requires the existence of an object in a target model, the transformation engine will try to create it to satisfy the mapping.

比如说，如果一个映射需要目标模型中存在一个对象，转换引擎将试图创建该对象来满足映射的需要。

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If that target is not available then try to connect to any messaging engine that is running in the same bus.

如果该目标不可用，则尝试连接到相同总线中运行的任意消息传递引擎。

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After having a good sleep they try to cross the river but fail and fill the engine with water.

在美美的睡了一觉过后，他们试着穿过河流，但是失败了，并且发动机里进水了。

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Engineers would dismantle the engine involved and study similar engines to try to learn why the malfunction occurred, Enns said.

CNN: Engine malfunction caused plane debris to fall in Canada