求翻译：从在商务领域中可以清晰的认识到，口语在其中占主导地位。它可以分为正式和非正式两种形式，而且学好口语必须掌握词汇、语言、语法。口语的实用性已经在商务领域中起推动作用。是什么意思？

From the commercial area can be a clear understanding that spoken language in which the dominant. It can be divided into formal and informal two forms, and your learning to master the vocabulary, language, grammar. Spoken practicality has to play a catalytic role in the business field.

In the business field from the spoken word can be clearly recognized that, in which dominant. It can be divided into formal and informal two forms, and learn to master vocabulary, spoken language, syntax. Speaking of relevance has been instrumental in the commercial sphere.

From in the commercial domain may clear realizing, the spoken language occupy the dominant position in among.It may divide into official and the unofficial two forms, moreover learns the spoken language to have to grasp the glossary, the language, the grammar.Spoken language usability already in com

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