What does ' I'm sure you'll think of something' mean?
Harriet: You're closing the salon?
Mrs. Melvin: Only for the day. Just while I get Mr. Melvin from the airport.
Harriet: The whole day?! But what will I do if I can't style hair?!
Mrs. Melvin: Oh, I'm sure you'll think of something. Just relax and have fun!
Harriet: But I relax and have fun styling hair. I love every thing in the salon. Blow-dryers and curling irons and....
Abby Hatcher
In this context, it means I'm sure you'll think of something to do.
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