I quite wonder at the old expert's wide range of knowledge, and his professional learning has been of great use to us.

我对那位老专家广博的学识感到很惊讶，他的专业知识对我们帮助很大。

youdao

The GPS system is of great use to whoever wants to find his destination in a strange city.

GPS系统对于那些在陌生城市寻找目的地的人来说，作用很大。

youdao

The tool is of great use.

那个工具非常有用。

youdao

It can be accomplished in part by direct recruiting by the Government itself, treating the task as we would treat the emergency of a war, but at the same time,through this employment, accomplishing greatly needed projects to stimulate and reorganize the use of our great natural resources.

VOA: special.2011.05.19

In fact, I'm going to use only two dimensions for most of the time because the difference between one dimension and two is very great.

实际上,大多数时候我只考虑二维的情况,因为一维和二维的差别很大

耶鲁公开课 - 基础物理课程节选

This is a great pattern that you can use to express a level of certainty,

这是一个很棒的句型，你可以用它来表示某种程度的肯定，

I'm sure 课堂 - SpeakingMax英语口语达人

And finally, knowing how retail prices are changing, in detail, would be of great use in trying to predict inflation.

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Bob Lauder, deputy director in Scotland of the Serious and Organised Crime Agency, said any new information would be of great use to its 200 officers posted in 40 countries throughout Europe and Asia.

BBC: New techniques help trace heroin

Of course Galileo made great use of the telescope, and his discoveries--that Jupiter has its own moons, that the Milky Way is made of stars, that Venus has phases just like the moon--were turning points.

FORBES: The Universe and Mrs. Ferguson