Parts of the debate, such as terminology, are as old as the oldest profession.

辩论中有些部分，比如术语，和最古老的专业一样年代久远。

www.ecocn.org

I blamed the absence of machismo in my upbringing for my reluctance to indulge in the oldest profession.

我很自责在成长的过程中缺乏那股阳刚之气，以至于勉强自己在这最为古老的行业里醉生梦死。

article.yeeyan.org

There was a doctor, a civil engineer, and a computer scientist sitting around late on evening, and they got to discuss which was the oldest profession.

从前，一个晚上，有一个医生，一个工程师和一个计算机科学家围坐在一起，讨论着哪种职业是最古老的。

blog.sina.com.cn

In the city that is often considered synonymous with decadence, there is now a heated debate about the merits of a museum honoring the world's oldest practice, if not the oldest profession.

NPR: Plans for Sex Museum Create an Uproar in Rio

The world's oldest profession is not going to go away, nor is the desire for anonymity among its clientele.

ECONOMIST: Medical advice