研究人员还承认，在一些领域中，作为一个概念，种族可能在科学研究中仍然有用：作为一个政治和社会变量，而不是生物学变量。

The researchers also acknowledged that there are a few areas where race as a construct might still be useful in scientific research: as a political and social, but not biological, variable.

youdao

“矛盾的盟友”作为一个概念，提出来有些为时过早。

As a concept, "torn Allies" may be somewhat premature.

youdao

最初，每一个更高层次的抽象只是作为一个概念被引入。

At first, each higher layer of abstraction was introduced only as a concept.

youdao

The South as an idea, the South and its distinctiveness was very much there even in the Colonial Period.

南方作为一个概念,指南方地区以及其特点,早在殖民时期就已经存在

耶鲁公开课 - 美国内战与重建课程节选