If you are on a private link, like in your own home, you may operate an anti-virus scan on your own product to ensure it is not contaminated with malware. 中國人民大學法學院教授、商法研究所所長劉俊海說，“花錢買論文字身就是可恥的，而拿著買來的論文去評職稱、獲取學位，屬於欺詐行為。另