071. Speaking of…
-> say speaking of something that has just been mentioned as away of introducing a new topic which has some connection with that thing.
A: I can’t wait until Valentine’s Day.
B: Speaking of Valentine’s Day, how is your girlfriend?
A: She’s doing well. I took her out to dinner last night.
B: Did you have a good time?
A: Yeah, the food was delicious.
B: Hey, speaking of food, are you hungry? Let’s grab a bite to eat.
A: That sounds great. Let’s get some Chinese food.