Tham khảo : http://www.usingenglish.com/forum/ask-teacher/132321-distinguish-differentiate.html
Distinguish means unique, whereas differentiate means difference.
Ex: I can't tell the difference between the twins. They look exactly alike. Neither has a distinguishing mark that tells them apart.
- distinguish refers to a unique characteristic, usually perceived with the senses.
- differentiate
- list the characteristics that make them different
- distinguish
- list the characteristics that make them unique