Well, in order to sell jewelry, many small boxes are made of precious wood. The boxes are beautifully carved and decorated.
Look, let the box smell, and then put the jewelry in the box.
A man from Zheng saw the box containing the orb exquisite and beautiful. After asking the price, he bought one and opened the box.
Son, take out the treasure inside and return it to the jeweler.
People use this idiom to criticize Zheng, saying that he only pays attention to appearance and ignores the essence, which makes him make an improper choice.
Give up the main precious things and want the secondary bad things.