YOU SAID:
外の世界なんて知らなくていい
INTO JAPANESE
外の世界なんて知らなくていい
BACK INTO ENGLISH
You don't have to know the outside world.
INTO JAPANESE
外の世界を知る必要はありません。
BACK INTO ENGLISH
You don't need to know the outside world.
INTO JAPANESE
外の世界を知る必要はありません。
BACK INTO ENGLISH
You don't need to know the outside world.
You've done this before, haven't you.