There's a lot of evidence that oily fish, as distinct from fatty meat, has a beneficial effect.

大量证据显示，含油的鱼与肥肉不同，具有益处。

《柯林斯英汉双解大词典》

So far there has been no discernible effect on fish stocks and almost all the fisheries have now reopened.

到目前为止，还没有对放养的鱼造成可察觉的影响，几乎所有的渔场都重新开始运作。

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They found that something released by algae, other than microcystins, had an endocrine disrupting effect on the fish.

他们发现，藻华产生的某种物质(非微胱氨酸)对鱼的内分泌有影响。

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There are several different types of lung cancer, and the protective fish effect appeared to be the strongest for a type called adenocarcinoma - about 5% of all cases.

BBC: Sushi 'could prevent lung cancer'

He also used a lot of shine to convey the effect of fish scales.

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Our Turkish friend Tom Jarvis and his new house-mate and partner-in-crime Mike Denbee have undertaken a novel fish-based diet to devastating effect while Alex Davies has been religiously counting calories and abstaining from little treats in order to get rid of his "love-handles".

BBC: Geoff Griffiths column