Inrecentyears,second-handtransactionshavebecomequitecommon.Nowadaystherearemoreandmoresecondhandgoodsinthemarket,suchassecondhandbooks,furniture,appliances,cars,andsoon.Whydosomanypeopleliketobuysecondhandgoods?
　　Thefollowingreasonscanaccountforthisphenomenon.Aboveall,secondhandgoodsarecheaperthannewones.Thisenablesthosepeoplewhohavepoorfinancialabilitiestobuythethingstheywant.Moreover,secondhandgoodstransactionsmakeitpossibleforpeopletomakegooduseofthegoodswhichmaybeuselessintheirhands.Besides,Internetprovidesamoreconvenientandquickertransactionplatformforsecondhandgoods.
　　However,therearealsosomeproblemsinsecondhandgoodstransactions.Foronething,thequalityofsecondhandgoodscannotbepromisedandyoucannotenjoythegoodafter-saleservice.Foranother,secondhandgoodsmarketlacksenoughsupervisionandmanagement,andthereexistmanydishonestbusinessactivities.Inaword,Ithinksecondhandgoodstransactionisagoodtradingway,butitneedsfurtherperfectionoftherules.