词汇是语言构成的三大要素之一，是语言的建筑材料，是语音和语法的承载体。

Vocabulary is one of the three essential elements of language-pronunciation, vocabulary and grammar.

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因此，从“言语行为论”的角度分析，语言的构成要素语音、词汇以及语法在交际中必然产生各种变体。

Therefore, from the aspect of "Speech Act", English language elements such as speech sounds, vocabulary and grammar inevitably have all kinds of variants.

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语言三要素的变异，形成语音修辞、词汇修辞和语法修辞。

The variation of the three factors of language forms phonetic rhetoric, vocabulary rhetoric and grammatical rhetoric.

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