My time spent in the library was very productive.

我花在图书馆的时间很有收获。

《牛津词典》

But it's still very, very productive.

但这仍然很有建设性。

youdao

If you get only these three things done today, you've been very productive.

如果你今天完成了这三件事情，你今天就很有成效了。

youdao

Sometimes, when I am very productive in my job, my employer gives me a pat on the back.

VOA: special.2010.01.24

And another one was very productive and everything but provided no love.

另一个非常富有成效,但不能提供任何关爱。

耶鲁公开课 - 心理学导论课程节选

My last converstaion with him wasn't very productive.

我们上次的对话,不是十分有成效。

普林斯顿公开课 - 国际座谈会课程节选

And then, they went back to their own countries and became very productive there.

FORBES: Hat's Off To Billionaire Stephen Schwarzman's Elite China Scholarships. But What Can Everyone Else Do?

So I think it was a very productive meeting and a lot was accomplished.

WHITEHOUSE: Press Briefing

Today, I had a series of very productive meetings with key partners in this effort.

WHITEHOUSE: President Obama on Bilateral Mideast Peace Meetings