oversimplification

US /ˌoʊ.vɚˌsɪm.plə.fəˈkeɪ.ʃən/
UK /ˌoʊ.vɚˌsɪm.plə.fəˈkeɪ.ʃən/
1.

sự đơn giản hóa quá mức

the action of describing or explaining something in such a simple way that it is no longer correct or true:

:
The book was full of oversimplifications.