C231 Variable or invariant

The snow continued to fall silently.

Under the moonlight, two figures stood still and motionless.

"Oh," Chang Jing asked softly, whether intentionally or unintentionally, "Who is he?"

"He ?" Ka Buyi wanted to say the name, but was interrupted by Chang Jing.

"Actually, no matter who he is, what should change will change. What shouldn't change ? he can't change even after a thousand years