The catch is Starbucks wants consumers to pass on their benevolence by performing a good deed for another person, say, to hold open a door or buy someone a cup of coffee.

• 主要的一点是星巴克希望消费者通过对别人的善行来传达自己的爱心，比如说，帮助扶着打开的门或者为一个人买杯咖啡。