【正确答案】Singles' Day falls on every November 11th because the date is comprised of four 'ones'. It was initially celebrated at many universities in Nanjing during the 1990s. As the name indicates, this new holiday is one exclusively for people who are still living a single life. In recent years, as China has become a country with the world's largest population of Internet users and the single people are the main force of China's online spending power, many e-commerce platforms launch promotion campaigns on the day in order to attract countless single people around China to their websites. Singles' Day has now become a day of crazy online shopping among the Chinese.