问题描述：
“每销售一美元所持有的存货量”（the amount of inventories they hold for each dollar of sales）何解
原题如下：
Over the past decade,new computer technology has enabled firms to reduce substantially the amount of inventories they hold for each dollar of sales.Expenditures on inventories are a type of investment.Other things equal,this change will（ ）investment in factories and
equipment,and（ ）private savings.
原题如下：
Over the past decade,new computer technology has enabled firms to reduce substantially the amount of inventories they hold for each dollar of sales.Expenditures on inventories are a type of investment.Other things equal,this change will（ ）investment in factories and
equipment,and（ ）private savings.
问题解答：
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