They are very productive, have lots of different critters, and they all depend on each other."

VOA: standard.2010.05.09

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

He noted,however,that the U.S. considers Iran to be an important player related to Afghanistan, and sees the issue as a very productive area for engagement in the future Anticipating President Barack Obama's Strategic Review on Afghanistan and Pakistan, Mohammad Mehdi Akhonzadeh said Iran expects measurable change, not rhetoric from the United States.

VOA: standard.2009.03.27