We interpret him, and you think he doesn't know the goods and gives up something of value. This is surface level.
But the Zheng people thought the box was beautiful, so they made a beautiful box. This is the spiritual level.
Look at things and see the essence. You think he lost something valuable, and he thinks he got something he likes.
So everything has two sides, and everything needs careful consideration.
What to say to Zheng's people? The so-called son doesn't know the joy of fish. We should look at this matter with an inclusive heart.