It isn't cost-effective to build cars in such small quantities.
这麽小批量地制造汽车不划算。
The steel works has been supplying us with raw material in large quantities.
在过去的两年中，那家钢铁厂一直提供给我们原材料。
Small quantities of poison were detected in the dead man's stomach.
在死者胃中找到了少量的毒药。
