您好:bodylanguageincludesyourfacialexpressions,gesturesandattitudewhencommunicatingwithotherpeople.itisanimportantpartofsocaletiquette(社交礼仪)andtheproperuseofbodylanguagecanmakeyourcommunicationmoresmoothandeffective,especialllywhenitcomestoforeignfriendswhocan'tspeakyourlanguage.thatmeansyoucouldconveymostofyourinformationbybodylanguageevenifyoudon'tknowwhatothersarespeaking!希望对您的学习有帮助【满意请采纳】o(∩_∩)o谢谢欢迎追问o(∩_∩)o~祝学习进步~