A lot of people are still ignorant of the advances online education has made in recent years and fail to recognize the difference between legitimate degrees and "diploma mill" certificates.

很多人还是忽视这几年网上教学取得的进步，并且对正规的学位和“文凭制造厂”的证书无法区分。

youdao

Over the past several years, Excelsior College and the Zogby organization have conducted nationwide surveys of employers and hiring officials to determine their perceptions of online certificates and degrees.

FORBES: The Myths of Online Learning