一再做重复的事而期待会有不同的结果，完全是发疯最明显的征兆。

Doing the same thing over and over again and expecting different results is the most obvious sign of madness.

youdao

虽然这看起来完全是发疯，但罗曼也许有他自己的理由。

Though it looks completely out-of-the-box, Roman may have a reason.

youdao