资料题：Why does Mary introduce this new drink to Lucy?

Double-ChocolateCappuccino CocoaPrep Time: 20 Minutes Start to Finish: 20 MinutesServings: 8 (1 cup each)，1 cup whipping (heavy) cream1 tablespoon packed brown sugar1 teaspoon instant espresso coffee (dry)1 half-gallon (8 cups) milk1/2 cup baking cocoa1/3 cup packed brown sugar2 tablespoons instant espresso coffe (dry)40z sweet baking chocolate, cut up8 cinnamon sticks1. In cilled small bowl, beat whipping cream, 1 table-spoon brown sugar and 1 teaspoon espresso coffee with electric mixer on high speed until stiff peaks form. Cover and refrigerate until serving time.2. Mix mik, cocoa, y%s cup brown sugar and 2 table-spoons espresso coffte in 3-quart saucepan. Heat over medium heal, stiring ocasionally, just to simmering (do not bil).3. Stir in chocolale until melted. Pour mixture into cups or mugs. Top each with whipped cream. Garnish with cinnamon sticks for strring.Nutritlon Information Per Serving，1 Sor ving: Calories 345 (Calories from Fat 170); Total Fat 19g(Ssaturatod Fat 12 g): Cholosterol 50 mg; Sodium 140 mg: Tctal Carbochydrate 36g (Dietry Fiber 3g: Protoin 11 gTipsDO-AHEADPour hot mixture into slow cooker set on Low, and add 2 cinnamon sticks. Cover and keep warm up to 8 hours.SPECIAL TOUCHGarnish the cocoa with shaved choco-late, and chocolate-covered spoons. Look for the spoons at gourmet shops, or make your own by dipping plastic spoons into melted candy coating and placing on waxed paper until firm. Subject: New taste drinkFrom: marrylam@ gmail. comTo: lucylee@ yahoo. comDear Lucy,Haven't seen you for a long time! How are you recently? The autumn is coming and the weather at this time is fine. Would you like to camp in the countryside with our Camping Team? If you like,please connect with me before next Friday. We will discuss the detailed plan with you about our trip.Today I'm writing not only talk about our tour, but I also want to introduce a new drink to you.know you like coffee and chocolate very much, so the new taste drink must be suitable for you. It is called Double-Chocolate Cappuccino Cocoa. I have made it at home and it is really easy toprepare.In the recipe, there are tips about making it by yourself. You can try it in the afternoon-tea time.With the bright sunshine of the deep autumn, enjoy a cup of your self - made coco-it is really awonderful time !I hope you can enjoy it not only yourself but also with your family.I have to stop now, see you later!Best wishes.Yours Sincerely,Mary