动物乌托邦的市区范围内拥有12个独特的生态系统。

Zootopia has 12 unique ecosystems within its city limits.

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因此，一个纯素食主义世界，听起来非常美妙，很可能只是一个乌托邦式的想法，仍然需要有一些动物产品在里面。

So even though a meat-free world sounds good on paper, it is likely that a utopian future will still have some animal products in it.

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人与自然、人与动物存在着乌托邦和谐的关系。

The relationship between man, animal and nature is seen as a utopian harmony.

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人与自然、人与动物存在着乌托邦和谐的关系。

The relationship between man, animal and nature is seen as a utopian harmony.

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