ALSO KNOWN as Bachelor's Day, Singles day is celebrated on November 11 in China every year. It is an unofficial Chinese holiday, and people who are not in a relationship celebrate the day with the shopping season. The day November 11 marks the singles day and was chosen because of the numeral 1 which resembles a bare stick and is a Chinese internet slang for bachelor men. The four '1' (11/11) also represent the demographic group of single people. Eventually, it became a popular day and more than 4000 couples in 2011 got married in Beijing, which is more than…