YOU SAID:
There is no butter in peanut butter.
INTO JAPANESE
ピーナッツバターにはバターはありません。
BACK INTO ENGLISH
Peanut butter has no butter.
INTO JAPANESE
ピーナッツバターにはバターがありません。
BACK INTO ENGLISH
Peanut butter has no butter.
That didn't even make that much sense in English.