6Samovar, Larry A. Richard E. Porter. Communication Between Culturess( 3rded. ) [ M ]. Beijing: Peking University Press, 2004:10 - 14.
7Lustig Myron W. ,Jolene Koester. Intercultural Commpetence: Interpersonal Communication across Cultures(fifth edition) [M]. Shanghai:Shanghai Foreign Language Education Press,2006/2007:33.