estimate 
英 [ˈɛstəˌmeɪt]  美 [ˈɛstəˌmeɪt] 
n. 估计；估价；预测；看法，评价；判断；报价，预算书

v. 估计，估算，估量，估价；评价，评论，判断

例句：
According to estimates the number of farms has increased by 50 per cent. 

据估算，农场的数量增加了百分之五十。

This figure is double the original estimate. 

这一数字是原来估算的两倍。

At a rough estimate, there were still a thousand in front of us. 

粗略估算一下，我们前面还有一千人。

I estimate that the total cost for treatment will be $12,500. 

我估算了一下治疗的总费用会是1.25万美元。

Cost is estimated at around £95 per person. 

估计每人将花费约95英镑。

They estimate that they can save £500 per month. 

他们估计每月可节省500英镑。