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Over the next 200 years scientists tried, without much success, to understand exactly how these transient sunspots might affect the climate.

此后的200多年间，科学家们试图确切掌握这些稍纵即逝的太阳黑子究竟怎样影响地球的气候，但是收效甚微。

It's clear. Innovation, advice and analysis will all mean little if nobody understands the point you're trying to make.

明确如果没有人能理解你所表达的意思，那些创新、建议和分析，就会收效甚微。

Mr Obama's subsidies for green technology fattened the bottom line of a few chosen firms but did very little to spur jobs.

奥巴马政府在绿色科技领域的补贴计划养肥了一批经过筛选且处于低谷的公司，但在促进就业方面收效甚微。

Like the commanders of a disorderly retreat, central banks have to date staged a piecemeal response to the credit squeeze, to little effect.

就像一支溃败军队的指挥官一样，各国央行迄今只对此次信贷紧缩做出了一些零打碎敲的反应，收效甚微。

As you know in business people talk a lot but at the end of the day the results are poor.

大家都知道，商场上有时候谈得很多，但最后却收效甚微。

However Professor Jack Winkler a professor of nutrition policy said the tax would be 'ineffective'.

然而，研究营养政策方面的JackWinkler教授表示，征税的方式也许收效甚微。

But neither step will do much to constrain banks swimming in deposits and lending to an economy growing, in nominal terms, by 15% a year.

但是这两样措施都收效甚微，连最小的15%的存款和借贷限制都达不到，而这又将导致经济过热。

He learned the new words by rote day in and day out in an effort to improve his English. But it hardly worked.

他天天死记硬背生词试图提高自己的英语，但收效甚微。

Yang Jianchang, a legislator in Shenzhen, said he had been trying to get the central government's attention, with little success.

深圳人大代表杨建昌（音）说，他一直试图引起政府对这个问题的重视，但收效甚微。