对人待遇不公 treat (different people) unfairly, showing favour to one group
differentiate from (v.+prep.)
指出或显示出…与…有区别; 将…与…分别开 show the difference between (sb or sth) and (sb or sth else); set (sb or sth) apart from (sb or sth else) differentiate sb from sth
It is the power of speech which most clearly differentiates man from the animals.
有无语言能力是人与动物最明显的区别。
differentiate into (v.+prep.)
区分为 see or express a difference (between) differentiate into sth
This genus of plants differentiate into many species.