postcode lottery

Từ điển Oxford Advanced Learner 8th

ˌpostcode ˈlottery 7 [postcode lottery] BrE NAmE noun singular (BrE)
a situation in which the amount or type of medical treatment that is provided to people depends on the particular area of the country they live in
•Infertility treatment runs by a postcode lottery ‐ some health authorities will fund it, others won't.
•Her plight highlighted the ‘postcode lottery’ faced by cancer patients.