To maintain the products more valuable they have sometimes use strategies to keep the clientele with same enthousiasm .
To maintain the more valuable products , they have to sometimes use strategies to keep the clientele 's enthusiasm high . To maintain the products value they have to sometimes use strategies to keep the clientele with same enthusiasm . To maintain the more valuable products they have to sometimes use strategies to keep the clientele enthusiastic . To maintain the products ' value , they sometimes have to use strategies to keep the clientele enthusiastic .