第二层：Indicating the problem which has not been solved by past investigation,increasing a applicable dilemma. 相比以“完稿”为目的的论文辅导，以“发刊”为目的的论文辅导看上去更加“靠谱”些。 红星新闻记者了解到，论文代写机构有两种盈利模式：一种只帮忙发刊，需支付给论文机构版面费和代发费；另一种是“包写+发刊“，需支付写作、代发费及版面费。 Attributed into the decades of undergraduate schooling... https://emilio5qut1.acidblog.net/45443836/the-smart-trick-of-代写论文-that-no-one-is-discussing