YOU SAID:

telephones are extremely important to the survival of the human species.

INTO JAPANESE

電話は人類の生存にとって極めて重要である。

BACK INTO ENGLISH

The telephone is crucial for the survival of mankind.

INTO JAPANESE

電話は人類の生き残りにとって不可欠だ。

BACK INTO ENGLISH

Telephones are vital to the survival of mankind.

INTO JAPANESE

電話は人類の生き残りにとって不可欠である。

BACK INTO ENGLISH

The telephone is essential for the survival of mankind.

INTO JAPANESE

電話は人類の生き残りのために不可欠だ。

BACK INTO ENGLISH

Phone calls are essential for the survival of mankind.

INTO JAPANESE

電話は人類の生き残りのために不可欠だ。

BACK INTO ENGLISH

Phone calls are essential for the survival of mankind.