the generation gap

US /ðə ˈdʒen.ə.reɪ.ʃən ˌɡæp/
UK /ðə ˈdʒen.ə.reɪ.ʃən ˌɡæp/
"the generation gap" picture
1.

代沟

differences in attitudes or behavior between young and older people, which can cause a lack of understanding

:
There's a significant generation gap when it comes to technology.
在技术方面存在显著的代沟
The movie explores the challenges of the generation gap within a family.
这部电影探讨了家庭中代沟的挑战。