YOU SAID:
The french language is the most beautiful thing in this world.
INTO JAPANESE
フランス語はこの世界で最も美しいものです。
BACK INTO ENGLISH
French is the most beautiful thing in the world.
INTO JAPANESE
フランス語は世界で最も美しいものです。
BACK INTO ENGLISH
French is the most beautiful thing in the world.
You've done this before, haven't you.