YOU SAID:

Its raison d’être is to translate English sentences back and forth into Japanese until “equilibrium” is reached.

INTO JAPANESE

その存在理由は、「均衡」に達するまで英文を日本語に前後に翻訳することです。

BACK INTO ENGLISH

The reason for its existence is to translate English sentences back and forth into Japanese until "balance" is reached.

INTO JAPANESE

その存在理由は、「バランス」に達するまで英文を日本語に前後に翻訳するためです。

BACK INTO ENGLISH

The reason for its existence is to translate English sentences back and forth into Japanese until "balance" is reached.