在那之后，我改变了专业，取得了大众传媒的博士。
After that, I changed my speciality and did a PhD in mass media.
此领域的学位课程包括：大众传媒的介绍，商务和专业演讲，口译，讨论与辩论和相关科目。
Coursework for a degree in this field will include an introduction to mass communications, business and professional speech, oral interpretation, discussion and debate, and related subjects.
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