idleness expense

例句：

1. 1. The company's idleness expenses have increased significantly in recent years.
   这家公司近年来的闲置费用大幅增加。
2. 2.The idleness expenses of the construction project are a significant concern for the management.
   该项目的闲置费用对管理层来说是一个重要的担忧。
3. 3. To reduce idleness expenses, the company has implemented stricter overtime regulations.
   为了减少闲置费用，公司实施了更严格的加班规定。