The view does not have direct contact with the controller.

视图并不直接与控制器交互。

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The view can have direct contact with the model, but it also works with a copy of the model as a means of passing data to the controller.

视图可以直接与模型交互，但是它也使用模型的一个副本，以便将数据传递给控制器。

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One pilot said he made several attempts to contact the only controller on duty and had to abort his landing during the final approach.

一名飞行员表示，他多次试图联系当时值班的唯一一名调度员，最后一次不得不取消降落。

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