a chicken and egg situation

US /ə ˈtʃɪkɪn ænd ɛɡ ˌsɪtʃuˈeɪʃən/
UK /ə ˈtʃɪkɪn ænd ɛɡ ˌsɪtʃuˈeɪʃən/
"a chicken and egg situation" picture
1.

先有雞還是先有蛋的問題, 因果難辨的局面

a situation in which it is impossible to say which of two things caused the other

:
It's a real chicken and egg situation: do people get stressed because they're busy, or are they busy because they're stressed?
這真是一個先有雞還是先有蛋的問題:人們是因為忙碌而感到壓力,還是因為壓力而忙碌?
The problem of poverty and lack of education is often described as a chicken and egg situation.
貧困和教育缺乏的問題常被描述為先有雞還是先有蛋的情況