It is the remit of sociologists to study why these norms exist; how they change over time; and how they are enforced.. 
Ohun ló jẹ́ igbákejì alága 8K àti 9K Chinese People’s Political Consultative Conference © Ọjọ́ìbíji-Ìtọ́kasí ní 1924 ní Ọjọ́aláìsí ní ará Ṣáínà.. 