Of course, he turns it into productive purpose, so there are a couple examples from that article.

当然,他将其转化为有成效的想法,那篇文章上有一些例子

耶鲁公开课 - 金融市场课程节选

and it's been a really rewarding experience and I'm glad that it's something that I've done.

有了一段富有成效的经历。我很高兴我选择了这份工作。

I've been 实战 - SpeakingMax英语口语达人

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

It doesn't work so easily to share with those people along the lines that these communities--I think these communes tend to emphasize a social compact, a feeling for each other, a caring for each other, which is a lovely thought but it doesn't achieve risk management on a big scale.

但要实现跟满足这些条件的人分摊风险,绝非易事,这些共同体。。。我指这些公社,倾向于强调一种社会凝聚力，一种人与人的深情和关怀，这个想法听上去很美,但无法实现大规模有成效的风险管理。

耶鲁公开课 - 金融市场课程节选