随着持续的接收，听者(以及大脑)学会区分不同发音甚至短的相当于话语或部分话语的发音序列。
As exposure continues, the listener (and the brain) learns to differentiate among different sounds and even among short sequences of sounds that correspond to words or parts of words.
话语标记语是标示当前话语和前述话语之间序列关系的词或短语，元话语包括所有不涉及话题内容的东西。
Discourse marker is word or phrase that relate the present discourse to the prior one, whereas metadiscourse contains all the things that has nothing to do with the propositional content.
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