Everybody knows that single life is different with married life. Some people like single and some like married. Their different: single life has more freedom than married life; single life has freedom in economy; single life’s responsibility more freedom than married life. First, single life’s activity more freedom. Single people don’t worry about what time should go home when they do activities. My friend, Chen who is a singe is a pretty girl. One day, she’s co-work had a birthday party and invited...