Read the materials on both sides below and talk about why Malone and Brando bowed their hands.

Reciprocity (reciprocal and appropriate interactions)

Material 1. Marlon Brando is an American film star and is known as the greatest and most influential actor in the world in the last century. One of the actors. In 1998, Ge You was filming a movie in the United States. Through an introduction, he met this respected senior. Ge You recalled that Marlon Brando was already 74 years old at the time. As soon as we met, he used Chinese etiquette to bow to me with his fists, which surprised me.