1. First of all, the role choice of actors is usually influenced by market demand and audience preferences. The role of rich people usually appears in TV dramas and movies, because this role can show elements such as luxury life, luxury goods and social status, and the audience is more likely to resonate. Wang Lin will tend to choose this kind of role, because it is easier to attract the attention of the audience and get higher exposure.

2. Secondly, the actor's appearance and temperament will also affect the role choice. Wang Lin has an appearance and temperament that matches the role of the rich, such as a tall figure and a dignified and generous temperament, which is more likely to be seen by directors and producers and endowed with the role of the rich.

3. Finally, the actor's acting skills and experience will also affect the role choice. Wang Lin has a strong performance ability and experience in playing rich people, which makes her more confident and better at interpreting such a role. In the entertainment circle, actors usually choose to show their good roles, so as to have a competitive advantage in this field.