These countries can no longer be viewed as a single entity.

这些国家不能再被看成是一个单独的实体。

《牛津词典》

It's an assemblage of parts that is regarded as a single entity.

它是个看作一个实体的部分的集合。

youdao

It's probably also worth saying that depression is not a single entity.

这也很可能值得说的是抑郁不是一个单一的实体。

youdao

The Taliban is not a single monolithic entity with central control,say analysts.

VOA: standard.2009.03.11

But what we will find is, it's more convenient to lump these two numbers into a single entity, which is called a vector.

但我们会发现,将两个数值看作一个整体会更方便,我们称之为矢量

耶鲁公开课 - 基础物理课程节选

Well you know what a point is, it's got an x- and a y- coordinate, it's natural to think about those two things as belonging as a single entity.

把这两个坐标认为，是属于一个独立的实体，是理所当然的事情,因此实现这个目的的。

麻省理工公开课 - 计算机科学及编程导论课程节选

And while the region is often portrayed as a single entity, this is misleading.

WSJ: The Winding Tech Road of Lebanon and Its Region

From a business standpoint, the NFL, like any sports league, has always predominantly acted as a single entity.

FORBES: Sports Business

Another possible, though less likely, outcome is that Vodafone and Verizon could merge to form a single entity.

ENGADGET: Bloomberg: Verizon seeking to end Vodafone partnership through merger or buyout