For citations in prose, use the main identify and surname of the initial writer followed by “and Some others” or “and colleagues.” For parenthetical citations, use only the surname of the 1st writer followed by “et al.” 然而“代写论文”仍旧遍地开花，探究原因。我们发现，目前，无论是教育法规还是著作权法、知识产权法，都没有明确禁止论文买卖，除高校可按校规校纪对学生处罚外，没有一个部门能对... https://paxtonyy346.blogzag.com/64026842/not-known-facts-about-美国论文代写