Donaldson (Wuxi) Filters co. Ltd. implemented Lean six sigma strategy through strategic revolution under the pressure of quality cost continuously raised up and profit constantly drop down.

唐纳森(无锡)过滤器有限公司针对目前面临的质量成本的不断上升、产品利润不断下降的压力，果断采取了战略转型-全面实施精益六西格玛战略。

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But many experts say Mr.Saakashvili's drop in popularity over the years indicates a strong disillusionment with the achievements of the Rose Revolution.

VOA: standard.2009.09.01

After England's "Glorious" Revolution, in 1688, the price of horses did not drop until "anyone" could afford one.

WSJ: Book Review: The Ordinary Acrobat