YOU SAID:
We shall require a substantially new manner of thinking if mankind is to survive.
INTO JAPANESE
人類が生き残るためには、私たちは実質的に新しい考え方を必要とします。
BACK INTO ENGLISH
In order for humanity to survive, we need substantially new ideas.
INTO JAPANESE
人類が生き残るためには、実質的に新しいアイデアが必要です。
BACK INTO ENGLISH
In order for humanity to survive, virtually new ideas are needed.
INTO JAPANESE
人類が生き残るためには、事実上新しいアイデアが必要です。
BACK INTO ENGLISH
In order for humanity to survive, virtually new ideas are needed.
That didn't even make that much sense in English.