at a rough estimate

常见例句

What do you know about Nigeria? At a rough estimate, it is…
你对尼日利亚了解多少？据粗略估计，它有三个英国那么大。 …
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The builder said that at a rough estimate the job would take about a fortnight to complete.
施工员说，粗略估计一下，这一任务要两周才能完成。
And used respectively direct calculation and human capital method to reckon up direct and indirect economic burden. At last a rough estimate of the lost of economy by AIDS will be made;
用直接法、人力资本法分别估算艾滋病的直接和间接经济负担，估算艾滋病造成当地的经济损失大小；

At that size, a very rough estimate tells us Kong could weigh as much as 60 tons.
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