Definition: a guess of what the size, value, amount, cost, etc. of something might be Level: B2
申请该课程的人数为120人，而最初的估计在50到100人之间。
The number of people who applied for the course was 120 compared with an initial ___estimate of between 50 and 100.
这只是一个粗略的估计。
This is only a rough ___estimate.
承包商为装修工作提供了详细的估价。
The contractor provided a detailed ___estimate for the renovation work.
