Because the businessman made the box so gorgeous to set off the beauty of the beads, Zheng's people thought that the businessman was selling the box, but the pearls in the box were considered as gifts, which meant not to pretend to be the owner. There must be a priority in everything, and don't let appendages hide your true nature. There are many meanings. For example, to do things from a businessman's point of view, we should grasp the main contradictions and not divide priorities. From A Zheng's point of view, we should be able to distinguish the most essential part of things without being confused by the gorgeous appearance.
Generally speaking, fables are based on personal understanding. A thousand people have a thousand Hamlets, so it is enough to evaluate them according to their own feelings.