You also examine the immense variability of English and come to understand how it is used as a symbol of both individual identity and social connection.
你还研究了英语的巨大差异性，并开始理解它是如何被用作个人身份和社会联系的象征。
2
The way in which people use social space reflects their social relationships and their ethnic identity.
人们使用社会空间的方式反映了他们的社会关系和民族身份。
3
Neuroscience has revealed which brain circuits are responsible for functions like understanding what other people think, empathy, fairness, and socialidentity.