Commercial communications features and functionality decide the commercial letter strategy must focus on the performance of courtesy.

商业信函的特点和功能决定了商业信函中必须注重礼貌策略的表现。

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The engine's exciting performance comes courtesy of components tuned exclusively for the Swift Sport.

高空作业车引擎的激动人心的性能是由元件调谐专门为快速的运动。

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Below is an excerpt from the program notes written by Paul Moravec for the performance, courtesy of the Grand Canyon Chamber Music Festival organizers.

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Chart Analysis : This percentage change chart (courtesy of TradeStation.com) shows the performance of the SPDR Diamonds Trust ( DIA) and Spyder Trust ( SPY) since the start of 2011.

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You can also see an interview with Ann and Nancy Wilson, discussing their pressure-packed performance here ( Video Link ). (Courtesy of Artisan News Service and YouTube).

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