Language is purely human and non-instinctive method of communicating ideas, emotions and desires by means of a system of voluntarily produced symbols.
语言是一种纯粹人类行为的、非本能的，交流思想、表达情感和愿望的方式，通过一个系统自然产生的符号。
Language is purely human and non-instinctive method of communicating ideas, emotions and desires by means of a system of voluntarily produced symbols.
语言是一种纯粹人类行为的、非本能的，交流思想、表达情感和愿望的方式，通过一个系统自然产生的符号。
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