According to SK Group officials, Chey believes that simple donations have limited efficacy in solving social problems and that social enterprises provide a more sustainable answer to such issues.

SK集团官方称，崔氏相信简单的捐赠限制有效解决社会问题，社会企业提供了更持续的解决这些社会问题的方案。

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A short course of oral prednisolone is widely used to treat preschool children with wheezing who present to a hospital, but there is conflicting evidence regarding its efficacy in this age group.

治疗前来医院就诊的患有喘鸣的学龄前儿童广泛应用短期口服泼尼松治疗，但是，关于这个年龄组的治疗效果有相反的证据。

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Results: The clinic efficacy of pueraria group was better than that of control group (P<0.05).

结果：葛根素组的治疗效果优于对照组（P<0.05）。

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The Borg group says the FDA understated lorcaserin's efficacy in weight loss and exaggerated safety issues.

WSJ: FDA Set to Decide Obesity Drug Lorcaserin's Fate

"Toward the Low Sun" (Drag City) is the ninth album by the instrumental group Dirty Three , which dispenses with equal efficacy sentimental folk ballads, free-flowing rock and downtown free jazz, resulting in tender beauty and raucous clatter.

WSJ: Lost in the Trees, Frank Ocean, John Fullbright and Other Best of 2012

While the FDA approved the vaccine for the above age group last December, the CDC is waiting for the efficacy results of an ongoing clinical study (Pfizer expects to complete the trials by 2013) before deciding on broader recommendations.

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