This is a value-added approach that reduces the operational costs per child reached.

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。

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There are three approaches of valuing IPOs, Comparable Firms approach, Discount Cash Flow approach and Economic Value-Added approach.

IPO的估值方法大致可以分为三种：可比公司法、现金流量贴现法和经济收益附加值法。

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The value-added approach, in fact, shows that sales of the iPhone are adding to the U.S. economy—rather than subtracting from it, as the traditional approach would imply.

实际上，价值增加方式显示iPhone的销售为美国经济增加了价值，而不是减少了，就如同传统方式暗示的那样。

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For those retirees, it will require a more actively managed and value-added approach to their portfolios, including investments in the stock market, even then with no guarantees of success.

FORBES: Managing Your Retirement Fund In A Secular Bear Market

He added the approach could be useful in other infections such as HIV.

BBC: Spread of hepatitis C pinpointed

The twist that the Kleinberg approach has added is that as well as working out which pages are much cited (ie, linked to), it also works out which pages do the most citing and can therefore act as jumping-off points for those interested in a subject.

ECONOMIST: Hits and misses