That's because employees — from a front-end cashier at Costco Wholesale to a GAP sales associate — are often a consumer's first and only interaction with a brand.

这是因为员工——从仓储式会员制连锁零售店好市多(Costco Wholesale)的前台收银员到服装连锁零售店盖璞(gap)的销售助理——往往就是消费者与品牌之间首要也是唯一的互动对象。

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Helical port also produces swirl by airflow interaction of valve gap and cylinder wall, so swirl number depends on helical line direction of relevant cylinder center.

螺旋气道通过气门间隙与缸壁的气流相互作用也产生涡流，因此，涡流数取决于相应气缸中心的螺旋线方位。

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English training; Customer Perceived Service quality; Interaction quality; Service quality gap.

英语培训；顾客感知服务质量；交互质量；服务质量差距。

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Nonetheless, in a recent study by Harvard's Richard Murnane and co-authors, differences in mother-child interaction patterns like these were found to account for one-third of the black-white gap in math and English skills at the beginning of kindergarten -- and one-quarter at the end of third grade.

CNN: Commentary: What parents can do for their kids