动物行为学专家对进化很感兴趣，所以他们对这个术语的定义很狭义。

Ethologists—specialists in animal behavior—are interested in evolution, so they define the term narrowly.

youdao

但是，这些限制应具有说服力和狭义的定义。

But those restrictions should be compelling and very narrowly defined.

youdao

慢慢就越来越清楚，确保你要狭义地定义，你的客户是谁。

It comes down to really coming clear, and making sure that you narrowly define who your customer is.

youdao

That's the narrowest definition of cities.

这是最狭义的城市定义

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