简介:Whatisit猜猜我是谁1)Iamaslightasafeather,yetthestrongestpersonmaynotbeabletoholdmeformorethanfiveminutes.WhatamI?2)Whomakesit,hasnoneedofit.Whobuysit,hasnouseforit.Whousesitcanneitherseenorfeelit.3)Whatcantravelaroundtheworldwhilestayinginthecorner?
动脑时刻