订购原材料，包装等涉及到产品的相关项目，同时控制成本，并获得价格优势。
Ordering items pertaining to the manufacture of goods: such as raw material, packaging, etc. , while at all times controlling costs and obtaining price advantages.
今天的电力公司在控制成本的同时，还必须向客户提供优良的服务可靠性。
Today's utility companies are driven to deliver superior service reliability to customers while controlling costs.
这样在控制成本的同时也可以鼓励人们工作更长的时间(因为年金率(annuity rates不清楚是什么意思)随年龄的增长而增长)。
This keeps the lid on costs and at the same time encourages people to keep working (since annuity rates rise with age).
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