Folks,I need yor help.I am stuck on a word that is vanity.In the sentence of "The poet used to warn of the vanity of mental ambition."According to Longman Dictionary which is for ESL students,one of the explanations is"lack of importance of something compared to other things that are more important."Imight be a little slow on the uptake please help me to be illucidated on that.


nudfe