OG的sc第30题不确定是什么意思？

ricstie

An inventory equal to 90 days sales is as much as even the strongest business carry, and then only as a way to anticipate higher prices or ensure against shortages.

Gudjohnson

够90天销售的库存和强大的企业所能执行的一样，并且作为唯一一种方式来预期较高的价格或确保库存不会短缺。