(; ) an extra quantity of goods that is kept in case it is needed 缓冲存货（贮存额外的货源以应付不时之需）◆We have now increased our buffer stocks, and should not have any shortages. 我们现在已经增加了缓冲库存，不应该再有任何短缺问题。
() an amount of a product or raw material (a commodity), owned, for example, by a government, that is stored or sold in order to keep the supply and price of the product level 缓冲存货（政府贮存或出售产品或原材料，目的是保持供应和维持产品价格水平）