rough cost book

例句：

1. 1. The project team needs to prepare a rough cost book for the next phase of work.
   项目团队需要为下一阶段的工作准备一份粗略的成本估算书。
2. 2.The rough cost book will help us understand the total expenses before finalizing the project plan.
   粗略的成本估算书将帮助我们在最终确定项目计划之前了解总支出。
3. 3. The rough cost book was used as a starting point for the detailed budgeting process.
   粗略的成本估算书作为详细预算过程的起始点。