われわれの知っているような言語は人間の創り出したものである。の英語

Language as we know is a human invention.

Language, as we know it, is a human invention.

Language as we know it is a human invention.

Language is a vehicle of human thought.

Language is peculiar to man.

Language is unique to man.

Language is peculiar to human beings.

Linguistics is the study of human language.

Language changes as human beings do.

Language is a specifically human characteristic.

articulate speech

Man alone has the gift of speech.

Some consider language as a form of knowledge.

the inherence of polysemy in human language

Man alone can speak

Man is the only creature that can speak.

Language is one of the most important inventions of mankind.

Language is one of man's most important inventions.

Some consider language as a form of knowledge.

Humans are not designed to be able to speak any language.

Language is a vehicle for communicating thought.

Only human beings are capable of speech.

language externalizes our thoughts

Language ability is innate in man.

That is to say, a language is something that we learn and are taught, not something that we know by instinct.

the oral expression by human beings of their thoughts, called language

The language of that tribe is as complex as any other human language.

Man is the only creature that can speak （＝No other creature can speak）

However, only the human community has verbal languages as a means of communication.

Linguistics is the discipline which aims to describe language.