YOU SAID:
I don't even know how this app works.
INTO JAPANESE
私はこのアプリがどのように機能するのかさえ知りません。
BACK INTO ENGLISH
I do not even know how this app works.
INTO JAPANESE
私はこのアプリがどのように機能するのかさえ知りません。
BACK INTO ENGLISH
I do not even know how this app works.
You've done this before, haven't you.