phrase → talk You can use the expression talking of to introduce a new topic that you want to discuss, and to link it to something that has already been mentioned.
⇒ Belvoir Farms produce a delicious elderflower tea. Talking of elderflower, you might
wish to try Elderflower Champagne.
⇒ As it says in the Bible, my cup is running over. Talking of which, I must get you
a cup of tea.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers