Professor Roark says knowing the age of the corals might help scientists understand earlier water conditions and ocean surface productivity.

VOA: special.2009.05.12

The "parable of the talents" rewards hard work and investment; and it's satisfying because it does that, but it also instills an anxiety about non-productivity.

才能的寓言“奖励努力工作和投资的人;,这很令人满意，但同时它也会造成关于无生产力的忧虑。

耶鲁公开课 - 弥尔顿课程节选

And he talks to me about my productivity.

他还跟我谈了我的工作效率。

I'm afraid of 实战 - SpeakingMax英语口语达人

Experts say hoarseness costs several billion dollars a year in lost productivity from people missing work.

VOA: special.2009.09.02

He was in his time extremely well known, a celebrity recognized on the street, and throughout his life, he was a man of extraordinary energy and productivity, in part because he was a very serious cocaine addict.

弗洛伊德在世时，远近闻名，是个家喻户晓的名人，纵观他的一生，他还是一个精力充沛的高产学者，部分原因是，他是个十足的瘾君子。

耶鲁公开课 - 心理学导论课程节选

Last April, Australia's Productivity Commission considered the cost of bullying in a report on workplace safety.

VOA: special.2011.03.25

I've been looking at your productivity.

我一直在观察你的工作效率。

I'm afraid of 实战 - SpeakingMax英语口语达人

But experts say productivity suffers in workplaces where employers tolerate or accept bullying.

VOA: special.2011.03.25

The answer is simple. The United States is the only country in the world today which has the economic power and productivity to furnish the needed assistance.

VOA: special.2011.08.04

Such fishing harms the productivity of fisheries, and hurts developing countries especially.

VOA: special.2009.12.08

The government says productivity jumped in July, August and September.

VOA: special.2009.11.06

"Just helping women farmers have the same access to inputs and control of resources that male farmers have would really do a lot in terms of improving agriculture productivity, reducing hunger and malnutrition."

VOA: special.2011.03.22

To me,that incremental loss of productivity may be well worth it for the team-building elements of the social connections.

VOA: standard.2009.03.25

The U.N.says they include loss of productivity and family income, as well as violence, security problems and traffic and workplace accidents.

VOA: standard.2010.06.23

The World Health Organization estimates that malaria costs Africa an estimated $12 billion a year in health expenditures and lost productivity.

VOA: standard.2009.04.25

Workers generally spend about 90 minutes a week on the pool, and studies say that reduces productivity.

VOA: standard.2009.03.25

Nwanze says with more support, smallholder farmers can increase their productivity to produce a food surplus.

VOA: standard.2010.03.29

A study by the U.S.Centers for Disease Control reports that medical care and the loss of worker productivity averages about $3,000 annually for each smoker.

VOA: standard.2010.02.18

You are stopping the productivity of the country. You are really blocking the production and this is not the kind of development we are looking for,"

VOA: standard.2009.08.28

He says the economy is growing for the first time in a year, productivity is surging, companies are reporting profits and the stock market is showing gains.

VOA: standard.2009.12.04

And rural agri-businesses can mean a pathway out of poverty, There has been much controversy and opposition over the use of genetically modified crops as a means of boosting productivity.

VOA: standard.2010.03.29

And that higher morale can translate into even greater productivity.

VOA: standard.2009.03.25

But he says too much help will hinder productivity.

VOA: standard.2010.05.13

Of the one million malaria deaths each year, Experts say malaria victims occupy 60 percent of available hospital beds on the continent and reduce economic productivity by $12 billion per year.

VOA: standard.2010.04.23

But because of the numbers of employee deaths and the media attention they have attracted, critics say France Telecom's problems have emerged as a warning story about the downsides of valuing productivity and growth over employee well being.

VOA: standard.2010.04.11

"The prediction is that in the next 20 years to 30 years, if the situation continues to get worse, the productivity from the agricultural sector and from subsistence farming in Africa, the production would reduce by as much as 50 percent,".

VOA: standard.2010.01.02

Indeed,volatile food prices, population growth, low agricultural productivity and the potentially devastating effects of climate change make it a particularly daunting challenge. The IFAD president says over the past 30 years, agricultural productivity in developing countries has been stagnant or in decline. He blames it on years of under-investment.

VOA: standard.2010.03.29

So this is a timely opportunity to remind the world how agricultural biodiversity can improve productivity and nutrition,enhance livelihoods, respond to environmental challenges and deliver food security, Last July,the G8 summit in L'Aquila,Italy, issued a statement saying, There is an urgent need for decisive action to free humankind from hunger and poverty.

VOA: standard.2010.03.29

And I think that will stand the test of time." State Department officials traveling with Secretary Clinton say she also discussed the Group of Eight leading industrialized nation's That money is in addition to emergency humanitarian programs, and is meant to fight hunger by enabling small farmers to produce more of their own food by improving productivity.

VOA: standard.2009.08.16