What is supposed to be ne demek?

"Supposed to be" is a phrase that is often used to indicate something that is expected or believed to be true, but may not be certain or confirmed. It can also be used to describe something that should happen according to plan or expectation, but may not always occur. For example, "I am supposed to be meeting my friend at the restaurant at 7 pm, but I'm not sure if he'll show up on time."