帮忙翻译一下这句话

雪落无声

以下是引用amo在2004-3-1 13:13:00的发言：
    An inventory equal to 90 days sales is as much as even the strongest businesses carry, and then only as a way to anticipate higher prices or ensure against shortages.

even 不要划进去，as much as 和什么什么一样多，既和甚至是最牛的企业可以承受的一样多。