Body language, also known as body language, refers to the eyes, expressions, gestures and postures of various parts of the body outside the voiced language. It is a non-verbal specific body posture used to convey information, express feelings and express attitudes. This specific body posture can not only support, modify or deny language behavior, but also partially replace language behavior and play an independent expression function, At the same time, it can express feelings and attitudes which are difficult to express by language and behavior
以心为马
