<正>PrefaceOnequestionfrequentlyraisedindiscussionswithcolleaguesfromneighboringcountries,andwithEuropeanandAmericanscholarswhofollowcloselyChina’sneighboringrelationsis,howdoesChinadefineitsrelationswithneighboringcountries?Althoughasearlyassixtyyearsago,theChinesegovernmentalreadyprovidedtheansweroffiveprinciplesofpeacefulcoexistence