有一个客户给你(服务顾问)打电话咨询另一服务站给他的维修估价是否合理。服务顾问应当怎样做
D
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In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
Iftheoperation________carefullyprepared,itwouldnothavebeensuccessful.
Iunderstoodfromherthatyouundertookotherimportantwork______.