There are more than 600,000 professional social workers in the country, and we all either have a bachelor's degree, a master's degree, or a PhD in Social Work.
全国有60多万专业社会工作者，并且我们都有社会工作专业的学士学位、硕士学位或博士学位。
2
Sheng started his PhD.
盛开始攻读博士学位。
3
Jody has a PhD in nutrition, but more important, she has personal experience.