YOU SAID:
I don’t understand why this exsists
INTO JAPANESE
なぜ私はこのexsists理解していない
BACK INTO ENGLISH
Why I do not understand this exsists
INTO JAPANESE
私はこれを理解していない
BACK INTO ENGLISH
I do not understand this.
INTO JAPANESE
私はこれを理解していない
BACK INTO ENGLISH
I do not understand this.
You've done this before, haven't you.