But Ward says focusing on the mechanisms for reaching a climate deal are counter-productive right now.

VOA: standard.2009.12.17

That led to an attitude among a good segment of our society that it's okay to go out and make money because making money means doing productive things for the economy and ultimately it's a benefit to society.

这致使我们社会中的很大一部分人,有这样的观点,就是,出去赚钱没什么不好的,因为赚到钱意味着,为经济作了贡献,并且最终将有益于社会

耶鲁公开课 - 金融市场课程节选

". At Friday's opening ceremony, several leaders noted past grievances with the United States while also expressing hope for a more productive and respectful relationship under President Obama.

VOA: standard.2009.04.18

"There is already a drop in supply. Because, on the east side of the river, that is one of the most productive estuaries in the world for oysters.

VOA: standard.2010.05.08

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