Social scinence is that branch of intellectual enquiry which seeks to study humans and their endeavors in the same resoned, orderly, systematic, and dispassioned manner that natural scientists use for the study of natural phenomena.(2003, 62)

seek to 力图...

dispassioned 冷静的

社会科学是智力探索的一个分支，它力图像自然科学家研究自然现象那样，以一种合理的，有序的，系统的并且冷静的方法研究人们和他们的行为。