Generally, butter can be kept for about two days at room temperature, one and a half years in the refrigerator after unpacking, and two weeks after unpacking. Butter can be softened and used, or it can be frozen in the freezer. Founded in 197 1, Starbucks Coffee Company is the world's leading specialty coffee retailer, roaster and Starbucks brand. Its retail products include more than 30 kinds of world-class coffee beans, hand-made espresso and various coffee hot and cold drinks, fresh and delicious cakes, as well as various coffee machines, coffee cups and other commodities. In addition, the company also produces and sells bottled Frappuccino, iced double espresso and ice cream with joint venture partners, and produces and sells Starbucks coffee and cream liqueur in convenient places outside retail stores through marketing and distribution agreements, and continuously expands new products and brands such as Shu Tai Tea and Starbucks Music CD.