blind alley
noun /ˌblaɪnd ˈæli/
/ˌblaɪnd ˈæli/
- a way of doing something that seems useful at first, but does not produce useful results, like following a path that suddenly stops
行不通的方法;死胡同 - Progress in science cannot be made without exploring blind alleys.
不探索死胡同,科学就不能进步。
- Progress in science cannot be made without exploring blind alleys.