Don Levitan is a marine scientist at Florida State University who was not involved in the study.

唐·莱维坦是佛罗里达州立大学的一名海洋科学家，他没有参与这项研究。

According to Kathrin Levitan, ancient censuses were used to figure out, or understand, how many men were available to fight wars.

根据卡瑟琳·莱维坦的说法，古代的人口普查是为了弄清楚，或者说了解有多少男性能够上战场。

According to Kathrin Levitan, ancient censuses were used to figure out – or understand, how many men were available to fight wars.

根据凯瑟琳·莱维坦的说法，古代人口普查是用来计算或了解有多少人可以参战。

Here's Dr Kathrin Levitan, author of a book on the cultural history of the census, speaking to BBC World Service programme, The Forum.

以下是卡瑟琳·莱维坦，一本关于人口普查的文化历史的书的作者，对话 BBC 世界服务节目《论坛》。

Here's Dr Kathrin Levitan, author of a book on the cultural history of the census, speaking to BBC World Service programme, The Forum: I think there were probably two most common reasons.

凯瑟琳·莱维坦博士写过一本关于人口普查文化史的书，她在接受BBC全球服务节目《论坛》采访时说：我认为可能有两个最常见的原因。