inventory是存货的意思,而和storage的区别则是贮存的意思,区别可以从以下例子看出:

As our storage is limited, we can't have enough inventory to supply all our customers, therefore we need to upgrade our warehouse. 由于我们的库存有限,我们不能有足够的库存来供应我们所有的客户,因此我们需要升级我们的仓库。