rough stock的用法和樣例：
例句
- These days, most of thecash goes towards patching up crumbling stock.
目前大多的現金被花在了補充零零碎碎的原材料上。 - Separately, the ongoing cheapening of inputs due to much lower commodity prices may also have contributed by enticing some firms to stock up on raw materials.
另一方面，初級產品價格下跌使得生產成本降低，也可能誘使一些企業增加原材料儲備。
