It used to be that players in professional sports could change teams only if they were traded, sold or released.

VOA: special.2010.07.26

So in fact, there are professional magicians who make it their business to debunk people who claim to genuinely be in contact with the dead and the like.

而事实上,有些专业的魔术师,主要揭露那些声称,能和死人沟通的人的秘密

耶鲁公开课 - 死亡课程节选

tend to be more professional are going to be high, you know, you get,

更专业的，工资会高，你赚，

在研究所工作 - SpeakingMax英语口语达人

Doctor Spock considered his mother,Mildred Spock, to be the major influence on his personal and professional life.

VOA: special.2009.03.15

Keep in mind this is a professional degree and executive education model that is intended to be designed for people who are themselves working full time and still taking classes full time.

请记住这是一个职业学位,高级管理人员教育模式,就是为那些,全职工作的人员设计的,同时上全制日课程。

哈佛公开课 - 幸福课课程节选

"It's better and better. It's very professional this year. It used to be more mediocre-type stuff.

VOA: special.2009.08.05

Professional writers who plagiarize can be taken to civil court and ordered to pay damages.

VOA: special.2009.04.16

The job can be done with simple cutting tools or by hiring a professional shearer.

VOA: special.2010.09.07

People should ask a health professional about drug combinations that could be harmful.

VOA: special.2009.07.08

"And hopefully, I'll be able to come back when I'm old and on my cane to see all of the professional people - the doctors,the lawyers, the principals,the teachers.

VOA: standard.2010.06.24