经济学家

But even though the U.S. is a mature, developed country, many economists believe it has shortchanged infrastructure investment for decades.

但是，尽管美国是一个成熟的发达国家，很多经济学家依然认为几十年以来，美国在基础设施的投资方面总是缩手缩脚。

Is a mature , developed country, many economists believe it has shortchanged infrastructure investment for decades.

但是即使美国是一个成熟的发达国家，许多经济学家相信美国几十年来还缺少基础建设投资。

Economists call it the "law of increasing returns"-- the snowballing effect.

经济学家称其为&报酬递增法则&——滚雪球效应。

The trouble is, economists have struggled to establish a strong link between freer capital flows and speedier economic development.

问题是，经济学家们绞尽脑汁，也未能确定更自由的资本流动和更快速的经济增长之间的必然联系。

Many economists, for example, are sceptical about whether the $145bn item to distribute $500 refundable tax credits to middle class households will be efficient. Much more than half of the $150bn tax rebate that was paid out in early 2008 the first stimulus following the collapse of the subprime market was squirreled away in savings accounts.

例如，许多经济学家怀疑，向中产阶级家庭提供每人500美元抵税额度的1450亿美元项目能否产生效果。2008年初支付的1500亿美元退税额中——次贷市场崩溃之后美国政府的第一套刺激方案，有一多半存入了储蓄账户。

Economists have long considered government spending, especially on infrastructure, to be an effective tool for revitalizing a stagnating economy.

经济学家们长期以来一直认为政府支出，特别是在基础设施，成为一个停滞的经济振兴的有效工具。

In the era of knowledge economy that has been named " Information economy " by economist Naspater , Information , material ,and energy have been regarded as three stanchions of economic development of the society .

美国经济学家和未来学家奈斯比特早在其1982年《大趋势》中就以这种新型经济的重要支柱产业命名，提出&信息经济&，信息已同物质、能量被看成是社会经济发展的三大支柱。

Private economists widely agree that it staved off a far deeper economic contraction.

民间的经济学家普遍同意它避免了更深层次的经济萎缩。

Private economists widely agree that it staved off a far deeper economic contraction.

私人经济学家普遍上同意这个做法避开了一次恶性的经济萎缩。

Asked if China bore any responsibility for causing the financial crisis, as a number of economists believe, he stiffens and says in a low voice:"It is a ridiculous view."

当被问及中国是否对金融危机的爆发负有任何责任时（一些经济学家持这种看法），温家宝表情紧绷、压低了声音说：&这个看法是荒谬的。&

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。