After learning "Duty-free Sales", you have known lots of famous-brand products such as Channel, Dior and Black Label and some typcially Chinese products. So please choose any itmes (not limited the items mentioned in our textbook) you like, for example, Chang Yu Wine, introduce anything of the brand to us. You may introduce the brand story, the popularity, the function of the product, the history, the price or anything. Please make a speech to introduce the item you choose and share it with us in two minutes at least. You are required to input your homework in mp3 form within one week. When you return to class, please deliver the speech without refering to your manuscript.