YOU SAID:
the essentials are invisible to the naked eye
INTO JAPANESE
要点は肉眼では見えない
BACK INTO ENGLISH
The point is invisible to the naked eye.
INTO JAPANESE
その点は肉眼では見えない。
BACK INTO ENGLISH
The point is not visible to the naked eye.
INTO JAPANESE
ポイントは肉眼では見えません。
BACK INTO ENGLISH
The point is not visible to the naked eye.
Come on, you can do better than that.