这是一种增值措施，可减少为每位儿童提供服务的业务成本。
This is a value-added approach that reduces the operational costs per child reached.
每位项目经理都可以成功地将敏捷融合到瀑布式环境中，这样可以提高项目的可预测性、提高成本效益，并促使项目最终获得成功。
Every project manager can successfully integrate agile in a waterfall environment to improve project predictability, cost effectiveness and ultimately success.
航空公司在商务舱和头等舱上的竞争愈演愈烈，目前航空公司在每位乘客身上花费的成本在50美元左右，以供应名厨制作的特色餐点。
Competition among carriers has intensified in business class and first class, and airlines now spend as much as $50 a person serving signature dishes from celebrity chefs.
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