For instance, a lot of my friends always receive packages in the post office, especially after Double-eleven Day. ... In other words, holidays alter spending habits and level of consumerism around the holidays. ... Consumer should enjoy their holidays by buying goods and services around the holidays. ... On Double-eleven Day, I decided to purchase books with my friends. ... And I found that I did not need to go to the mall and buy pencils and erasers when my friends and I lost them. ...