言语就是指“通过使用话语来实现”，书面的或口头的。
Verbal means "through the use of words, " either written or oral.
普通话的口语形式是指使用普通话时所形成的，用于表达和理解的，以口头语体风格为主的话语样式。
The oral form of Putonghua (Chinese common speech) refers to discourse form which is used for expression and understanding with oral style as the main part.
语篇功能，语言里存在一种机制将口头或书面上的话语组织成连贯统一的语篇。
Textual function: language has mechanisms to make any stretch of spoken or written discourse into a coherent and unified text.
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