rough stock的用法和样例：
例句
- These days, most of thecash goes towards patching up crumbling stock.
目前大多的现金被花在了补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，初级产品价格下跌使得生产成本降低，也可能诱使一些企业增加原材料储备。
