just what the doctor ordered
非常适合或正是需要的东西
口语·表达事物恰到好处
英文释义
exactly what is needed or desired in a particular situation
例句
A hot cup of tea after a long walk is just what the doctor ordered.
典故来源
源自19世纪医生开处方药的比喻，指某事物恰好满足需求。