estimate
/ˈɛstəˌmeɪt/
an approximate calculation of quantity or degree or worth
中文释义:估计;估算
The initial estimate for the project was $2 million, but costs later increased.
该项目的初步估计是200万美元,但后来成本增加了。
According to rough estimates, over 10,000 people attended the concert.
根据粗略估计,超过一万人参加了音乐会。