- Inthiscoursewewillfirstlyintroducesomeknowledgeofdifferentetiquettesaroundtheworld.Letitbe......nowson,wedon'tmallettotheseetiquettes.Wemustexecutetheetiquettesexactlyinthecorrectway,butalsowithperfectsincerityandperfectspontaneity.Therearelivelyand...
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