In interpersonal communication, every nonverbal sign has its particular meaning, and implies a large amount of information.

人际交流中，各类非言语符号有其特定的含义，时刻传递着有关交际主体的大量信息。

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Another nonverbal sign of lying is a forced smile, which generally involves only the muscles of the mouth and not the rest of the face.

另一个说谎的征兆是强挤出来的笑容，这种笑容只是调动了嘴部的肌肉而不是整个脸部的肌肉。

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In network communication, nonverbal communication sign is a parallel system against verbal communication sign, playing the role of expression, enhancement, complementarity and so on.

网络交际中，非语言交际符号与语言交际符号是两个并行的系统，网络非语言交际发挥着表明态度、强化感情、补充说明等作用。

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