And very useful!

非常有用！

youdao

The equipment are of good quality and very useful。

这些器械质量好，用处大。

youdao

Our application started off small and very useful (and simple).

我们的应用程序从一些小的但是非常有用（并且简单）的内容入手。

youdao

Even small changes in what we eat and how we prepare our food can be very useful, says physician David Servan-Schreiber, author of "Anti-Cancer, A New Way of Life".

VOA: standard.2010.02.23

It's used to treat people that have - you've heard about Epo and blood doping, but it's a therapeutic protein as well and very useful for patients with anemia.

它用于治疗--,你听说过EPO,还有血液回输,而这也是个可用于治疗的蛋白质,治疗贫血很有效

耶鲁公开课 - 生物医学工程探索课程节选

And so what this gave us was a very, very useful general criterion for determining whether something happened spontaneously.

这个告诉我们的是一个,非常非常一般的判据,他能帮助我们判断一个过程是否自发进行。

麻省理工公开课 - 热力学与动力学课程节选

Once you get used to it, the new stuff is extremely cool and very useful.

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Yes, absolutely true and very useful indeed to Google when it comes to showing ads.

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Despite having an attractive and very useful site, especially for the financial community, Yahoo has been unable to gather an increasing part of the display ad pie appropriate to its viewership.

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