WhereverIdrovemyoldcarover55milesperhour,itvibratedterribly,soIdecidedtosellit.Myfirstcustomerwantedtobuythecar,andIbattledwithmyconscienceoverwhetherornottotellhimofthevehicle'sproblem.FinallyIdidtherightthing.Expectinghimtodropthedeal,Iwassurprisedbyhisreply. 　　"That'sokay,"hesaid."I'mbuyingthiscarformydaughter.Ifshecomplainsaboutavibration,I'llknowshe'sdrivingtoofast." 　　Notes: 　　(1)advantagen.优点；好处 　　(2)vibratev.震动；颤动 　　(3)consciencen.良心 　　(4)dealn.交易；成交