It was a collaboration that produced extremely useful results.

这是一次带来极其有益的成果的合作。

《牛津词典》

Anything that can increase farming efficiency—the amount of crops we can produce per acre of land—will be extremely useful.

任何能提高农业效率的东西——能提高我们每英亩土地生产的农作物数量的东西——都是非常有用的。

youdao

This is extremely useful, because there are objects that can't be seen, objects that we wouldn't even know without radio telescopes.

这是非常有用的，因为有些物体是看不见的，如果没有射电望远镜我们甚至不知道这些物体。

youdao

And this is extremely useful when it comes to filling in gaps in sounds.

当需要在声音中填入间隔时,自上而下加工是非常有效的

耶鲁公开课 - 心理学导论课程节选

Extremely useful still for freight but less so for the movement of people over long distances.

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This is another aspect of the doddle platform that is extremely useful to people.

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We just completed a prolonged and extremely useful conversation touching on a wide range of issues.

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