Here's the answer:
“elle n'a pas inventé l'eau chaude”
Watch a real native speaker say it:
Here's how it sounds in a textbook:
Fun fact: the hundreds of thousands of people learning French with Memrise get this phrase correct 96.12% of the time!
Fun fact: the hundreds of thousands of people learning French with Memrise get this phrase correct 96.12% of the time!
