YOU SAID:
I don't understand what this website is doing.
INTO JAPANESE
このウェブサイトが何をしているのかわかりません。
BACK INTO ENGLISH
I don't know what this website is doing.
INTO JAPANESE
このウェブサイトが何をしているのか分かりません。
BACK INTO ENGLISH
I don't know what this website is doing.
You've done this before, haven't you.