TweetThere is a mute who wants to buy a toothbrush. By imitating the action of brushing 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?
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He simply opens his mouth and says. "I would like to buy a pair of sunglasses."
If you got this wrong, go home and call it a day. I'll email your excuse note for your boss later this evening.