当然，语法会带来一些限制；不过，对句法选项的选择的研究属于语义学、语用论和术语范畴。
Grammars provide some constraints here, of course; but the study of selection among syntactic options falls within the fields of semantics, pragmatics, and register.
标记 (markup) 这个术语用于描述消息格式中不属于数据值的那些字符。
Markup is the term used to describe those characters in a message format that are not data values.
理论上讲，公式化序列的选择和使用属于语用学的范畴，是语言能力的重要组成部分。
Theoretically, the selection and use of formulaic sequences belong to one's pragmatic competence and play an important role in pragmatic competence.
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