Recently,moreandmorestudentsuseelectronicdictionaryratherthanpaperydictionarywhentheyneedtolookupwords.
Thebiggestadvantageofusingelectronicdictionaryisconvenience.Also,theycanprovideuswiththeexactpronunciationofthewords.Besides,theyalsoprovidemanyotherfunctions.Forexample,theycanbeusedascalculator,whichmakesussavemoneyfrombuyinganotherone.
But,needlesstosay,thedisadvantagescanbeeasilyfound.Obviously,likeotherelectronicequipments,theyareharmfultooureyes.What`smore,theyhavebadinfluenceinprotectingourenvironment.
Therefore,weshouldinsistonusingpaperydictionarytoprotectourenvironmentaswellasourhealths.