YOU SAID:
I don't understand the purpose of this website.
INTO JAPANESE
私は、このウェブサイトの目的を理解していません。
BACK INTO ENGLISH
I do not understand the purpose of this website.
INTO JAPANESE
私はこのウェブサイトの目的を理解していません。
BACK INTO ENGLISH
I do not understand the purpose of this website.
That didn't even make that much sense in English.