perceptible difference

可察觉的差异：指两个或多个事物之间的差异可以被人感知或察觉。
常用释义
可察觉的差异：指两个或多个事物之间的差异可以被人感知或察觉。

例句

From their earliest years, they feel that there is a perceptible difference between them and other people.

他们从童年起就感到自己与别人有明显的差别。

起初，可能没有任何显著的差异。