沈括发现，指南针并不是真正的指向北方，而是指向地磁的北极，这对指南针用于导航走出了决定性的一步。

Kuo discovered that compasses do not point true north but to the magnetic North Pole. This was a decisive step to make them useful for navigation.

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首先，“魔鬼三角洲”是地球上指南针指向真正的北极的两个地方之一。

First, the "Devil's Triangle" is one of the two places on Earth that a magnetic compass does point towards true north.

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一旦你有了“身体指南针”这一有价值的信息，你就能用它来理解对某个处境真正的感受。

Once you have this valuable information about your "body compass," you can use it to understand how you are really feeling about a situation.

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