There are estimated to be perhaps several hundred such "honour killings" every year, mostly to rub out the stain of inter-caste or intra-clan liaisons.

他们估计或许每年有几百诸如此“荣誉谋杀”的人，主要是为了抹掉跨种姓或家族内部相关联人的污渍。

youdao

In the late 1970s, I sat down with the mathematical theorist George Oster to work out the principles of caste and the division of labor in the social insects.

WSJ: Great Scientists Don't Need Math

And watch out for the amendment to bring caste within the scope of equality legislation.

BBC: Week ahead

It hit me when I read the information on participants and figured out that even among the press there was a caste system.

FORBES: Exclusion and Inclusion at Davos