There is a mute who wants to buy a toothbrush. By imitating the action of bushing one’s teeth, he successfully expresses himself to the shopkeeper and the purchase is done.
Now, if there is a blind man who wishes to buy a pair of sunglasses, how should he express himself?
Think about it first before looking below for the answer.
He opens his mouth and says, “I would like to buy a pair of sunglasses.”