Cyworld is one of the preferred social networking web-sites in South Korea and by far the most visible character of the Web-site is “particular relationship dependent” web pages. 论文写手是指替大学生或成人代写毕业论文的写手，主要代写专科毕业论文、本科毕业论文，硕士毕业论文，甚至博士毕业�