YOU SAID:
My cousin is 20 years older than me, and can't swim!
INTO JAPANESE
私のいとこは私より20歳年上で、泳げません!
BACK INTO ENGLISH
My cousin is 20 years older than me and can't swim!
INTO JAPANESE
私のいとこは私より20歳年上で、泳げません!
BACK INTO ENGLISH
My cousin is 20 years older than me and can't swim!
You've done this before, haven't you.