确保在承包商开始任何工作前，先从他们那里拿到报价。

Make sure you get a ___quotation from the contractor before they begin any work.

他们通过电子邮件给我们发来了厨房改造项目的详细报价单。

They emailed us a detailed ___quotation for the kitchen remodeling project.

我们收到了三份不同的网站设计服务报价。

We've received three different ___quotations for the website design service.