Here's the answer:
“나는 예전에 사업을 했어요”
Watch a real native speaker say it:
Here's how it sounds in a textbook:
Fun fact: the hundreds of thousands of people learning Korean with Memrise get this phrase correct 97.57% of the time!
Fun fact: the hundreds of thousands of people learning Korean with Memrise get this phrase correct 97.57% of the time!