Tiger Woods is now taking what he calls "an indefinite break from professional golf."

VOA: special.2009.12.19

In the code of conduct, professional conduct, that we embody by this code here is comparable to what you are expected to adhere to in your professional lives.

在行为准则中，专业准则，这个准则所体现的相当于,你所期待去追求的,在你的专业生活中。

麻省理工公开课 - 固态化学导论课程节选

What you normally do is you go to a dealer and a dealer is someone, a professional, who participated in the auction and bought these up to accumulate an inventory to then sell off to you, the customer.

你通常会去找一些中间商,中间商是专业从业者,他们参与拍卖,积蓄库存,再转销给一般顾客

耶鲁公开课 - 金融市场课程节选

"What happens with the health outcome, depends upon good communication, the trust and credibility between the health professional and the individual seeking care, and an understanding of the patient's culture, value system, so that one can develop,hopefully, a strong relationship or interaction between the health professional and the individual.

VOA: standard.2010.03.05