他们把雪分为四大类，如地上的雪、飘在空中的雪、积雪和雪堆。

They divide snow into four main categories, such as snow lying on the ground, snow floating in the sky, snow piling up, and snow piles.

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当道路检测到路面上有雪或冰时，就会自动升温，融化雪或冰。

When they detect snow or ice on their surfaces, the roads will heat themselves up, melting the snow or ice away.

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然后雪又把我推下山了450米，我以为雪的力量会毁了我，它很强大。

Then the snow pushed me again down the mountain another 450m I thought the force of the Snow would destroy me, it was powerful.

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Irving Fisher then told that story as an illustration of how poorly the understanding was of what was going on.

欧文？费雪之后讲述了这个故事，以此,来阐述人们对发生的事情,了解得到底有多少。

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And it's dangerous. People slip and fall on the snow because it's made of ice.

这样也很危险，人们会在雪上滑倒，因为雪里面都是冰。

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So, that is Irving Fisher's diagram in a nutshell, but I think it's--so what does it say about the term structure?

以上是对欧文·费雪图表的概述,这个图怎样说明期限结构呢

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