cost accounting period

例句：

1. 1. The company's cost accounting period is from January to March.
   该公司的成本核算期从一月到三月。
2. 2. During the cost accounting period, we need to accurately record all costs incurred.
   在成本核算期间，我们需要准确记录所有产生的费用。
3. 3. The cost accounting period allows us to monitor and control expenses more effectively.
   成本核算期使我们能够更有效地监控和控制开支。