On one estimate, 60% of the world's population will be exposed to the disease by 2070.

据有人估计，2070年世界60%的人口将会受登革热影响。

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On one estimate, China has signed 30 agricultural co-operation deals covering over 2m hectares since 2007.

一项统计表明2007年以来，中国已经签署了30个农业合作协议，涉及200万公顷土地。

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From the small number of impact craters that appear on Martian lava flows, one can estimate that the planet was volcanically active as recently as a half-billion years ago—and may be active today.

从火星熔岩流上出现的少量陨石坑中，我们可以估计，在5亿年前，这个星球上的火山还很活跃——也许现在依然活跃。

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And until BP finds a way to stem the flow, no one can estimate the full effect of this disaster on BP, its shareholders,or employees.

VOA: standard.2010.06.18

So Rituparna tries to prove to him his abilities and he says, see that tree there, I can estimate how many leaves there are on that tree by counting leaves on one branch.

所以睿都巴若那就试图证明自己的能力,他说,看那边的树,我只需数一根枝杈上的叶子,就能估算出树上叶子的总数

耶鲁公开课 - 金融市场课程节选

On one estimate, more than 5m visitors are expected to flood in to the area between Christmas 1999 and Easter 2001.

ECONOMIST: Archaeology in Palestine

On one estimate, America accounts for over 70% of all offshoring business.

ECONOMIST: Offshoring

It could take, on one glum estimate, half a million men to police it, most of them probably with no idea of how to tell a Congolese from a Rwandan.

ECONOMIST: Congo