actual cost system

例句：

1. 1. The company has implemented an actual costsystem to improve efficiency.
   该公司已经实施了一个实际成本系统来提高效率。
2. 2. The newsystem is designed to accuratelyreflect the actual costs of production.
   新系统旨在准确反映生产成本的实际成本。
3. 3.The actual cost system helps companies manage theirexpenses more effectively.
   实际成本系统帮助公司更有效地管理开支。