YOU SAID:
I would like to purchase one cheeseburger please
INTO JAPANESE
チーズバーガーを1個購入したいです。
BACK INTO ENGLISH
I would like to buy a cheeseburger.
INTO JAPANESE
チーズバーガーを買いたいのですが。
BACK INTO ENGLISH
I would like to buy a cheeseburger.
Come on, you can do better than that.