Discourse role switching is a pragmatic stratagem in that it betrays the participant's intention.

话语角色转换是一种语用策略，它透漏出交际者的内在意图。

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Some new characteristics of vassal state literature during the early Han Dynasty are closely related with the role switching of scholars.

汉初藩国文学的一些新的特点，就是和文士们这种角色转换有密切关系的。

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As one of the theoretical ramifications of pragmatics, the theory of the discourse role switching has received much attention in recent years.

作为语用学的一个理论分支，话语角色类型及其转换理论近年来受到了重视。

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But since the first draft sequence of the human genome was released in 2000, scientists have realized that junk DNA plays a key role in switching genes on and off.

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