Companies that must determine well in advance of the selling season how many units of a new product to manufacture often underproduce products that sell well and have overstocks of others.

那些必须在销售季节之前就确定新产品要生产多少的公司，往往会生产出销量好的产品，而其他产品则库存过剩。

In our depot, there overstocks a lot of outdated goods. We are preparing to sell them at a lowered price.

我们商店的库房里积压着大量冷门货，正准备降价销售。