YOU SAID:

My sister only eats, never cooks.

INTO JAPANESE

私の妹は食べるだけで、決して料理をしません。

BACK INTO ENGLISH

My sister only eats and never cooks.

INTO JAPANESE

私の妹は食べるだけで料理をしません。

BACK INTO ENGLISH

My sister doesn't cook just by eating.

INTO JAPANESE

私の妹は食べるだけで料理をしません。

BACK INTO ENGLISH

My sister doesn't cook just by eating.