《妈土豆沙拉(英文版)》由ReginaM.Stockus著：accordingtothechallenge,opportunityandfocusofthistreatise,Ihopetoclarifyandshedsomelightonthefollowingissues:？Toidentifywhatsetseachofusapart,whichwillspurustodogreaterthings.？Todiscoverwhatmakesushappyandthenmotivatesustodosomethingwell.？Whendowereachthisnirvana?？Whendoweknowwehavedonethebestthatwecan?？Whodecides?？Howdowemeasuretrueefforts?？Howtocontinuethisideallevelofeffort?？HowtobalanceERRwithPPRtoachievethisidealstateofoptimumDE?？Andthegreatestchallengeofall,howtotraintrainersandmanagersandsupervisorstoimplementthesetheoriesintopractice?？Thegreatestchallenge,espelyintheservicesector,isachievingDEonasustainablebasiswhenweasHumanscannot?？Andlastly,whatisthentheideal?