的意思 rough estimate

1. Can you give me a rough estimate of how much the project will cost?
请问您能给我一个大概的估计，这个项目会花费多少钱吗？

2. I don't need an exact number, just a rough estimate will do.
我不需要一个确切的数字，只要一个大概的估计就可以了。

3. Based on a rough estimate, I think we will need about 100 more chairs for the event.
根据一个粗略的估计，我认为我们需要再准备大约100把椅子来举办这个活动。

4. It's hard to give a rough estimate of how long the repair will take without seeing the extent of the damage.
如果不看到损坏的程度，很难给出修理需要多长时间的粗略估计。

5. The contractor provided us with a rough estimate for the renovation project.
承包商为我们提供了一个装修项目的大概估计。

6. We need to come up with a rough estimate of how many people will attend the conference.
我们需要估计大概有多少人会参加这次会议。