1、material held in reseve或stock例句与用法: 1. 该书有库存[已脱销]. The book is in/out of stock. 2. 我们的目的是要加速本百货店的库存周转. We aim for a quick turnover of stock in our stores. 3. 我很遗憾没有按时填好库存单。

2、 I regret not completing the inventory on time. 4. 库存品已经变质，而且全都搞混了，因此经理决定快刀斩乱麻，把它们当作废品出售，然后重新储藏新的物资。

3、 The old stock had deteriorated and was all mixed up so the manager decided to cut the Gordian knot, sell it all as scrap, and re-stock with new materials.