The White House budget office on Tuesday lowered its estimate for this year's federal deficit.

VOA: special.2009.08.28

If you go to the dining hall you know, the portions-- one person serves themselves this much of a food and another serves themselves another, and then when you go to a restaurant there are variations on how much you get served of things, and so it's very hard to estimate portions for people.

如果你去食堂,摄入量是指,一个人吃了自己的那部分食物,或其他人吃的他们的那一部分,当你去餐厅,每次吃多少是变化的,因此估算每个人的摄入量是很难的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The estimate for last year was one hundred deaths.

VOA: special.2009.09.28

The estimate for Zimbabwe is two hundred thirty-five.

VOA: special.2009.12.14

For his mathematical project, he compared two ways to estimate the square root of an integer, a number with no fractional parts.

VOA: special.2011.03.24

The scientists estimate this would have the same climate effect as taking all cars in the world off the road for ten years.

VOA: special.2009.06.19

Phil Sumrall says NASA's estimate to keep the Ares program going forward as planned calls for three billion dollars in additional spending a year.

VOA: special.2009.12.30

Democrats controlling both committees will use as a basis revised figures released last week by the Congressional Budget Office that project a more than $1.8 trillion deficit for 2009,substantially more than the Obama administration's initial estimate.

VOA: standard.2009.03.24