trial and error

剑桥词典

a way of achieving an aim or solving a problem by trying a number of different methods and learning from the mistakes that you make
反複試騐，試錯法
There's no instant way of finding a cure - it's just a process of trial and error . 找到治療方案不可能一蹴而就——這衹能是一個反複試騐的過程。 返回 trial and error