Whatwouldittaketoper的甄选

问题详情：  Whatwouldittaketopersuadeyoutoexercise?Adesiretoloseweightorimproveyourfigure?Tokeepyouawayfromdiseases?Tolivetoahealthyoldage?You'dthinkanyofthosereasonswouldbeenoughtogetAmericansexerci...