We got estimates from three different contractors before accepting the lowest.
我们得到三个承包商的报价後, 接受了价钱最低的.
We must hold the contractors to (ie not allow them to exceed) their estimates.
我们必须使承包者遵照他们的预算办事（不许超支）.
"We knew it would be a bestseller, but even the original didn't sell this well at the start. By our estimates, we've already sold somewhere in the neighborhood of500, 000 copies. It's just phenomenal."
"我们知道会是一本畅销书, 可是就连原作最初的销路也没有这么好。据我们的估计, 我们已经卖了50万本左右。太妙了。"
