Copulas
n. 系动词（如be,seem,appear等）, （命题主词与谓词间的）连系( copula的复数形式 )
🗣️ 情景例句
He treated his employees with exceptional cruelty.
他对雇员非常残酷。
At each other's throats.
自相残杀。
I imagine you're not very interested in politics.
我想你一定对政治不感兴趣。