a chicken and egg situation

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

先有鸡还是先有蛋的问题, 因果难辨的局面

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?
这真是一个先有鸡还是先有蛋的问题:人们是因为忙碌而感到压力,还是因为压力而忙碌?
The problem of poverty and lack of education is often described as a chicken and egg situation.
贫困和教育缺乏的问题常被描述为先有鸡还是先有蛋的情况