sc a nuse t oconv e yth a tth e yar eenergeticall ytryin gt osolv e acustomer' sproblem .Bu tit' simpossibl et oscrip tthese encounters ,h esays—ind e e d ,par to fwh a tmak e sservic erecover ys odifficul ti sth a t itrequir e simprovisation,becau seaspec ts o...