advance estimate

例句：

1. 1. The engineer made an advance estimateof the project's completion time.
   工程师对项目完成时间做了提前估计。
2. 2. Thecompany is making an advance estimate for thenew product launch.
   公司正在为新产品的发布做提前估计。
3. 3. The economist provided anadvance estimate of the economic growth rate.
   经济学家提供了经济增长率的提前估计。