perpetual inventory的用法和樣例：
例句
用作名詞 (n.)
- Cost accounting systems provide timely unit product costs through the use of perpetual inventory procedures.
成本會計系統通過使用永續盤存制定期提供產品的單位成本。 - An alternative to the perpetual inventory system which eliminates the need for recording the cost of goods sold as sales occur.
定期盤存制是與永續盤存制相對應的方法，它不需要在銷售發生時記錄已銷存貨成本。
