YOU SAID:

all I wanna do is shop at Costco

INTO JAPANESE

私がしたいのはコストコで買い物をすることだけです

BACK INTO ENGLISH

All I want to do is shop at Costco

INTO JAPANESE

コストコで買い物したいだけ

BACK INTO ENGLISH

I just want to shop at Costco

INTO JAPANESE

コストコで買い物したいだけです

BACK INTO ENGLISH

I just want to shop at Costco