The human mouth has three major functions.

人的嘴有三种主要功能。

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Language has three major functions: cognitive and expressive, cultural, and aesthetic functions.

语言有三种主要功能：认知和表达功能，文化功能和艺术功能。

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Personnel training, scientific research and social service are called the three major functions of modern colleges.

人才培养、科学研究与社会服务被称为现代高等学校的三大职能。

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Every three years since 1995, my research center has done a survey of how the HR functions in major corporations are operating.

FORBES: Corporate Strategy: How HR Can Become a Player