He offered some useful advice.

他提出了一些有益的建议。

《牛津词典》

I've made some useful contacts in journalism.

我在新闻界结交了一些有用的人。

《牛津词典》

From this chastening experience he learned some useful lessons.

从这次惩戒性的经历中，他得到了一些有用的教训。

《柯林斯英汉双解大词典》

Today,we will tell how some insects might prove useful against hard-to-fight diseases.

VOA: special.2010.12.07

But it's a valuable thing. It says, in each case, I return some useful value from this procedure.

但是这就是变量，是在每个例子中，我从这个程序中返回了一些有用的值。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now you have a gap in your data and yet you still have some magnetic particles there that could be useful.

现在的数据中可能会有一些空白,但你仍然有一些,有用的磁性粒子。

哈佛公开课 - 计算机科学课程节选

Mr Myhrvold's firm illustrates some useful principles for those who want to foster innovation.

ECONOMIST: Crazy-talking boffins

In sum, there are some useful things that government can do to boost innovation.

FORBES: Innovation Works Best When Government Does Least

He apologised, and won some useful support, but by then it was too late.

ECONOMIST: Baltimore��s election